Gr 11 Math Lit: Term Test 2
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Questions and Answers

What is the purpose of the Unemployment Insurance Fund?

  • To provide financial support to employees who are on maternity leave
  • To provide financial support to employees who are still employed
  • To provide financial support to employees who are still in training
  • To provide financial support to employees who lose their jobs (correct)

    • What is the percentage of gross salary that an employee contributes to the UIF?

  • 5%
  • 1% (correct)
  • 0.5%
  • 2%

    • What is the percentage of gross salary that an employer contributes to the UIF?

  • 1% (correct)
  • 2%
  • 5%
  • 0.5%

    • What is the total contribution to the UIF from both the employee and employer?

    <p>2% of gross salary</p> Signup and view all the answers

    What is the salary ceiling for calculating UIF?

    <p>R12,478.00 per month</p> Signup and view all the answers

    What is the maximum UIF amount that can be deducted from an employee’s salary?

    <p>R124.78</p> Signup and view all the answers

    How is the employee's contribution to the UIF calculated?

    <p>1% of gross salary</p> Signup and view all the answers

    What is the formula for calculating the total contribution to the UIF?

    <p>Employee's contribution + Employer's contribution</p> Signup and view all the answers

    What is the formula to calculate the Employer's contribution?

    <p>1% × gross salary</p> Signup and view all the answers

    What is the Maximum UIF deduction?

    <p>R124.78</p> Signup and view all the answers

    What is an exchange rate?

    <p>A comparison of the value of one currency in relation to another currency</p> Signup and view all the answers

    What is the formula to calculate the converted amount?

    <p>Foreign currency amount × Exchange rate</p> Signup and view all the answers

    What is the definition of a strong currency?

    <p>A currency that exchanges for more than one unit of another currency</p> Signup and view all the answers

    What is the purpose of estimating currency conversions?

    <p>To get a general idea of the amount of currency exchanged</p> Signup and view all the answers

    What is a water tariff system?

    <p>A system that charges different rates for different portions of water consumption</p> Signup and view all the answers

    What is the purpose of a step-function graph in tariff systems?

    <p>To show that the same tariff is charged for water consumption within a certain bracket</p> Signup and view all the answers

    What is break-even analysis used for in tariff systems?

    <p>To determine the point at which the costs of two tariff systems are equal</p> Signup and view all the answers

    What is the Total contribution formula?

    <p>2% × gross salary</p> Signup and view all the answers

    What is the formula to calculate the monthly cost in a prepaid system?

    <p>Monthly Cost = Rate per Unit × Units Used</p> Signup and view all the answers

    What does a flat line section in a graph represent in a tariff system?

    <p>Periods where the cost does not change</p> Signup and view all the answers

    What is the purpose of calculating the break-even point in a tariff system?

    <p>To equate the costs of both systems and solve for the usage level</p> Signup and view all the answers

    What is the formula to calculate the percentage increase?

    <p>Percentage Increase = (New Value - Old Value) / Old Value × 100</p> Signup and view all the answers

    What is the purpose of identifying the options in comparing two options?

    <p>To gather detailed information about each option</p> Signup and view all the answers

    What is included in the cost analysis of an option?

    <p>Initial costs, ongoing costs, and additional expenses</p> Signup and view all the answers

    What is the purpose of using mathematical tools and techniques in comparing two options?

    <p>To organize and visualize the data</p> Signup and view all the answers

    What is the final step in comparing two options?

    <p>Document the comparison process</p> Signup and view all the answers

    What is the purpose of evaluating the potential risks associated with each option?

    <p>To understand the significance of the risks</p> Signup and view all the answers

    What is the purpose of comparing two options?

    <p>To compare the total costs, benefits, and risks of each option</p> Signup and view all the answers

    What is the main purpose of analyzing benefits in a decision-making process?

    <p>To quantify the benefits of each option</p> Signup and view all the answers

    What is the key skill required when using a national road map?

    <p>Estimating traveling costs and times</p> Signup and view all the answers

    What is the formula to convert a map measurement to an actual distance?

    <p>Actual distance = Map measurement × Scale factor</p> Signup and view all the answers

    What is the purpose of a bar scale on a map?

    <p>To show the relationship between measured length and actual distance</p> Signup and view all the answers

    What is the main advantage of using a strip chart?

    <p>It allows for more accurate traveling distances on specific sections of a route</p> Signup and view all the answers

    What is the primary skill required when using a housing complex map?

    <p>Working with a map that shows a small area with limited detail</p> Signup and view all the answers

    What is the purpose of assessing risks in a decision-making process?

    <p>To evaluate the potential risks of each option</p> Signup and view all the answers

    What is the formula to convert an actual distance to a map measurement?

    <p>Map measurement = Actual distance / Scale factor</p> Signup and view all the answers

    What is the primary purpose of using mathematical tools in decision-making?

    <p>To organize data using tables and graphs</p> Signup and view all the answers

    What is the key skill required when using a street map?

    <p>Following and providing directions using street names</p> Signup and view all the answers

    What is the primary purpose of sorting data?

    <p>To analyze the data by organizing it into a structured format</p> Signup and view all the answers

    What is the first step in creating a frequency table?

    <p>Identify the class intervals needed to group the data</p> Signup and view all the answers

    What is the purpose of calculating percentage values in a frequency table?

    <p>To standardize comparisons, especially when the total number of data points in different categories varies</p> Signup and view all the answers

    What is the formula to calculate the percentage of data points in a specific class interval?

    <p>Percentage = (Frequency of the interval / Total number of data points) × 100</p> Signup and view all the answers

    Why is sorting data important in analyzing the data?

    <p>It helps in organizing the data into a structured format that is easy to interpret</p> Signup and view all the answers

    What is the benefit of creating a frequency table with separate columns for each category?

    <p>It helps in comparing the frequencies of different categories</p> Signup and view all the answers

    What is the primary limitation of measuring distances on a map?

    <p>Inaccuracy due to various factors</p> Signup and view all the answers

    What is the formula for calculating the actual distance from a map measurement?

    <p>Actual distance = Map measurement × Scale factor</p> Signup and view all the answers

    What is the primary difference between a number scale and a bar scale?

    <p>A number scale shows a specific relationship in size, while a bar scale shows a general relationship</p> Signup and view all the answers

    What happens to a number scale if the map is resized?

    <p>The number scale becomes invalid</p> Signup and view all the answers

    What is the primary purpose of posing questions in the statistical process?

    <p>To guide the data collection process and justify data collection</p> Signup and view all the answers

    What is the effect of a small sample size on the data?

    <p>It leads to skewed or biased data</p> Signup and view all the answers

    What is the primary consideration when selecting a data collection instrument?

    <p>The effectiveness of the instrument for the specific group or objects</p> Signup and view all the answers

    What is the term for the process of collecting data from a sample or population?

    <p>Survey</p> Signup and view all the answers

    What is the purpose of ensuring a representative sample?

    <p>To avoid bias and ensure the sample reflects the population</p> Signup and view all the answers

    What is the term for the entire group about which data is being collected?

    <p>Population</p> Signup and view all the answers

    What is the main purpose of identifying the mode in a data set?

    <p>To determine the most frequently occurring value</p> Signup and view all the answers

    What type of graph is used to compare the frequency values for different categories over various intervals?

    <p>Double bar graph</p> Signup and view all the answers

    What is the term for the relationship or pattern between two variables?

    <p>Correlation</p> Signup and view all the answers

    What is the purpose of sorting data in a particular order?

    <p>To make sense of the data by organizing it in a manageable and understandable format</p> Signup and view all the answers

    What is the term for a point in the data that deviates significantly from the other points?

    <p>Outlier</p> Signup and view all the answers

    What type of graph is used to show a comparison between two different categories of data?

    <p>Bar-of-Pie chart</p> Signup and view all the answers

    What is the purpose of using class intervals in frequency tables?

    <p>To group large sets of data into more manageable categories</p> Signup and view all the answers

    What type of graph is used to show how changes occur in a data set over time?

    <p>Line graph</p> Signup and view all the answers

    What is the purpose of comparing the mean, median, and mode in a data set?

    <p>To assess which measure best represents the data</p> Signup and view all the answers

    What is the term for the difference between the highest and lowest values in a data set?

    <p>Range</p> Signup and view all the answers

    What is the primary purpose of a questionnaire?

    <p>To gather information about a group or their opinions</p> Signup and view all the answers

    What is the formula for calculating the mean?

    <p>Sum of values / number of values</p> Signup and view all the answers

    When is the median a better measure of central tendency?

    <p>When the data set has outliers or is skewed</p> Signup and view all the answers

    What is the purpose of a recording sheet?

    <p>To record the frequency of events</p> Signup and view all the answers

    What is the impact of outliers on the mean?

    <p>They make the mean less accurate</p> Signup and view all the answers

    What is the first step in summarizing data?

    <p>Pose relevant questions</p> Signup and view all the answers

    What is the range?

    <p>The difference between the highest and lowest values</p> Signup and view all the answers

    When is the mode a useful measure of central tendency?

    <p>When identifying the most common value is important</p> Signup and view all the answers

    What is the purpose of ensuring data collection is free from bias?

    <p>To make sure the sample accurately represents the population</p> Signup and view all the answers

    What is the second step in the data collection process?

    <p>Select the data collection instrument</p> Signup and view all the answers

    What is the purpose of the total contribution to the UIF?

    <p>To provide unemployment benefits to employees</p> Signup and view all the answers

    How does the exchange rate affect the buying power of a currency?

    <p>It affects the buying power of a currency, but also depends on the cost of living and earning power</p> Signup and view all the answers

    What is the purpose of accurate currency conversions?

    <p>To determine the exact amount of currency exchanged</p> Signup and view all the answers

    What is the characteristic of a strong currency?

    <p>One unit of the currency exchanges for more than one unit of another currency</p> Signup and view all the answers

    What is the purpose of a step-function graph in a tariff system?

    <p>To show the incremental increase in the tariff</p> Signup and view all the answers

    What is the advantage of using a graphical representation of tariff systems?

    <p>It allows for a visual comparison of different tariff systems</p> Signup and view all the answers

    What is the purpose of break-even analysis in tariff systems?

    <p>To find the point at which the costs of two tariff systems are equal</p> Signup and view all the answers

    What is the difference between a strong and weak currency?

    <p>A strong currency exchanges for more than one unit of another currency, while a weak currency exchanges for less</p> Signup and view all the answers

    What is the purpose of estimating currency conversions?

    <p>To provide a general idea of the exchanged amount</p> Signup and view all the answers

    What is the characteristic of a water tariff system?

    <p>It is an incremental tariff system</p> Signup and view all the answers

    What is the primary purpose of a questionnaire in data collection?

    <p>To gather information about a group or their opinions</p> Signup and view all the answers

    What is the formula for calculating the mean of a data set?

    <p>(Sum of values) / (Number of values)</p> Signup and view all the answers

    When is the median a better measure of central tendency than the mean?

    <p>When the data set has outliers or is skewed</p> Signup and view all the answers

    If an employee's gross salary is R15,000.00 per month, what would be the maximum UIF deduction from their salary?

    <p>R124.78</p> Signup and view all the answers

    What is the purpose of the range in measures of spread?

    <p>To indicate how spread out the values are</p> Signup and view all the answers

    What is the total contribution to the UIF from both the employee and employer if the gross salary is R10,000.00 per month?

    <p>R200.00</p> Signup and view all the answers

    What is the effect of outliers on the range of a data set?

    <p>It can greatly exaggerate the spread of the data</p> Signup and view all the answers

    If an employee's gross salary is R8,000.00 per month, what would be the employer's contribution to the UIF?

    <p>R80.00</p> Signup and view all the answers

    What is the first step in summarizing data?

    <p>Sort the data set</p> Signup and view all the answers

    What is the purpose of the UIF?

    <p>To provide financial support to employees who lose their jobs</p> Signup and view all the answers

    If an employee's gross salary is R20,000.00 per month, what would be the UIF deduction from their salary?

    <p>R124.78</p> Signup and view all the answers

    Why is the median a better measure of central tendency than the mean in some cases?

    <p>Because it is not affected by extreme values</p> Signup and view all the answers

    What is the formula for calculating the total contribution to the UIF?

    <p>2% x gross salary</p> Signup and view all the answers

    What is the purpose of using a recording sheet in data collection?

    <p>To record the frequency of events or specific features of events</p> Signup and view all the answers

    If an employee's gross salary is R12,000.00 per month, what would be the employee's contribution to the UIF?

    <p>R120.00</p> Signup and view all the answers

    What is the primary purpose of calculating the median?

    <p>To find the middle value of the data set</p> Signup and view all the answers

    What is the purpose of identifying the population and sample in data collection?

    <p>To identify the target population for the data collection</p> Signup and view all the answers

    What is the salary ceiling for calculating UIF?

    <p>R12,478.00 per month</p> Signup and view all the answers

    What is the primary purpose of using scales in maps?

    <p>To estimate traveling distances when a distance table or distance markers are not provided</p> Signup and view all the answers

    What is the formula to convert a map measurement to an actual distance?

    <p>Actual distance = Map measurement × Scale factor</p> Signup and view all the answers

    What is the primary difference between a number scale and a bar scale?

    <p>A number scale does not state how many times smaller the map is from the actual</p> Signup and view all the answers

    What is the key skill required when using a national road map?

    <p>Deciding on the most appropriate route between destinations</p> Signup and view all the answers

    What is the primary purpose of using strip charts?

    <p>To estimate traveling distances on specific sections of a route</p> Signup and view all the answers

    What is the formula to convert an actual distance to a map measurement?

    <p>Map measurement = Actual distance / Scale factor</p> Signup and view all the answers

    What is the primary skill required when using a street map?

    <p>Following and providing directions using street names</p> Signup and view all the answers

    What is the primary purpose of using housing complex maps?

    <p>To work with a map that shows a small area with limited detail</p> Signup and view all the answers

    What is the primary limitation of measuring distances on a map?

    <p>The scale of the map</p> Signup and view all the answers

    What is the primary advantage of using a strip chart?

    <p>It provides more accurate traveling distances on specific sections of a route</p> Signup and view all the answers

    What is the formula for calculating the monthly cost in a non-prepaid system?

    <p>Monthly Cost = Service Charge + Network Charge + (Rate per Unit × Units Used)</p> Signup and view all the answers

    What is the purpose of calculating the break-even point in a tariff system?

    <p>To identify the point at which the costs of two tariff systems are equal</p> Signup and view all the answers

    What is the formula for calculating the percentage increase?

    <p>Percentage Increase = ((New Value - Old Value) / Old Value) × 100</p> Signup and view all the answers

    What is the purpose of identifying the options in comparing two options?

    <p>To gather detailed information about each option</p> Signup and view all the answers

    What is the primary limitation of measuring distances on a map?

    <p>Many factors can affect the accuracy of the distance calculation.</p> Signup and view all the answers

    What is the formula to calculate the actual distance from a map measurement using a scale?

    <p>Actual distance = Map measurement x Scale factor</p> Signup and view all the answers

    What is the primary purpose of using mathematical tools and techniques in comparing two options?

    <p>To organize and visualize the data</p> Signup and view all the answers

    What is the final step in comparing two options?

    <p>To make a decision based on the comparison</p> Signup and view all the answers

    What is the primary purpose of posing questions in the statistical process?

    <p>To justify data collection and guide the data collection process.</p> Signup and view all the answers

    What is the main advantage of using a bar scale on a map?

    <p>It does not become inaccurate if the size of the map is changed.</p> Signup and view all the answers

    What is the purpose of evaluating the potential risks associated with each option?

    <p>To identify potential risks and their impact</p> Signup and view all the answers

    What happens to a number scale if the map is resized?

    <p>The scale is no longer valid.</p> Signup and view all the answers

    What is the primary purpose of comparing two options?

    <p>To identify the best option based on the criteria</p> Signup and view all the answers

    What is the primary difference between a number scale and a bar scale?

    <p>A bar scale shows a relationship between measured length and actual distance.</p> Signup and view all the answers

    What is the key skill required when using mathematical tools and techniques in comparing two options?

    <p>The ability to organize and visualize the data</p> Signup and view all the answers

    What is included in the cost analysis of an option?

    <p>Both the initial and ongoing costs of the option</p> Signup and view all the answers

    What is the effect of a small sample size on the data?

    <p>It may lead to skewed or biased data.</p> Signup and view all the answers

    What is the purpose of ensuring a sample is representative of the population?

    <p>To avoid bias in the data.</p> Signup and view all the answers

    What is the formula to calculate the map measurement from an actual distance using a scale?

    <p>Map measurement = Actual distance / Scale factor</p> Signup and view all the answers

    What is the primary purpose of developing a data collection instrument?

    <p>To choose the most effective tool for collecting the data.</p> Signup and view all the answers

    What is the primary purpose of sorting data?

    <p>To organize the data into a structured format that is easy to interpret</p> Signup and view all the answers

    What is the first step in creating a frequency table?

    <p>Identify the class intervals needed to group the data</p> Signup and view all the answers

    Why is calculating percentage values in a frequency table important?

    <p>To standardize comparisons, especially when the total number of data points in different categories varies</p> Signup and view all the answers

    What is the benefit of creating a frequency table with separate columns for each category?

    <p>To compare the distribution of data within each category</p> Signup and view all the answers

    What is the formula to calculate the percentage of data points in a specific class interval?

    <p>Percentage = (Frequency of the interval / Total number of data points) × 100</p> Signup and view all the answers

    What is the primary purpose of sorting data in terms of numerical values or alphabetically for categorical data?

    <p>To organize the data into a structured format that is easy to interpret</p> Signup and view all the answers

    What does a strong correlation between two variables indicate?

    <p>A clear pattern between the variables</p> Signup and view all the answers

    What is the primary purpose of a double bar graph?

    <p>To compare the frequency values of different categories</p> Signup and view all the answers

    What is the purpose of sorting data?

    <p>To organize data in a manageable format</p> Signup and view all the answers

    What is an outlier in a dataset?

    <p>A point that deviates significantly from the other points</p> Signup and view all the answers

    What is the purpose of a frequency table?

    <p>To summarize how often different values appear in a dataset</p> Signup and view all the answers

    What is the purpose of a scatter plot graph?

    <p>To identify patterns in the relationship between two variables</p> Signup and view all the answers

    What is the purpose of calculating the median of a dataset?

    <p>To identify the middle value of a dataset</p> Signup and view all the answers

    What is the purpose of a vertical stack graph?

    <p>To show the components of the total frequency</p> Signup and view all the answers

    What is the purpose of creating a pie-of-pie chart?

    <p>To show the components of the main categories</p> Signup and view all the answers

    What is the purpose of comparing the mean, median, and mode of a dataset?

    <p>To choose the measure that best represents the data</p> Signup and view all the answers

    Watter is die doel van die eerste stap in die statistiese proses?

    <p>Om vraelyste te poseer</p> Signup and view all the answers

    Watter is die effek van 'n klein steekproefgrootte op die data?

    <p>Die data word minder akkuraat</p> Signup and view all the answers

    Watter is die doel van 'n vraelys?

    <p>Om inligting oor 'n groep of hulle mening oor 'n spesifieke onderwerp te versamel</p> Signup and view all the answers

    Watter is die belangrikste oorweging wanneer 'n data-versamel-instrument gekies word?

    <p>Die aard van die groep of objekte van wie die data versamel word</p> Signup and view all the answers

    Watter is die verskil tussen 'n populasie en 'n steekproef?

    <p>Die populasie is die groep van wie die data versamel word, terwyl die steekproef 'n klein deel van die populasie is</p> Signup and view all the answers

    Watter is die belangrikste oorweging wanneer 'n steekproefgrootte gekies word?

    <p>Die grootte van die steekproef om 'n akkurate weergawe van die populasie te verkry</p> Signup and view all the answers

    Watter is die doel van 'n opnameblaad?

    <p>Om die frekwensie van gebeure, die duur van gebeure of spesifieke kenmerke van gebeure op te teken</p> Signup and view all the answers

    Watter is die belangrikste rede om seker te maak dat die steekproef verteenwoordigend is van die populasie?

    <p>Om seker te maak dat die data verteenwoordigend is van die populasie</p> Signup and view all the answers

    Watter instrument is geskik vir die versameling van data oor die aantal besoekers by 'n museum op verskillende tye van die dag?

    <p>Opnamelyst</p> Signup and view all the answers

    Watter maatstaf van middelpunt is die beste keuse wanneer die data sterk beïnvloed word deur uitgewerders?

    <p>Mediaan</p> Signup and view all the answers

    Watter is die formule om die gemiddelde te bereken?

    <p>Gemiddelde = som van alle waardes / aantal waardes</p> Signup and view all the answers

    Watter is die maatstaf van verspreiding wat die verskil tussen die hoogste en laagste waardes in 'n datastel wys?

    <p>Reeks</p> Signup and view all the answers

    Watter is die beste keuse om die mees algemene waarde in 'n datastel te identifiseer?

    <p>Modus</p> Signup and view all the answers

    Watter is die stappe om data saam te vat?

    <p>Bereken die gemiddelde, identifiseer die modus, bereken die reeks</p> Signup and view all the answers

    Watter is die redes om die mediaan as maatstaf van middelpunt te kies?

    <p>Die data het uitgewerders, die mediaan is ongevoelig vir ekstreme waardes</p> Signup and view all the answers

    Watter is die gevolg van uitgewerders op die gemiddelde?

    <p>Die gemiddelde word geskewer deur die uitgewerders</p> Signup and view all the answers

    Watter is die doel van die keuse van klasse-intervalle in die statistiese proses?

    <p>Om die range van die data te dek en dit makliker te maak om te analiseer</p> Signup and view all the answers

    Watter is die rede om die reeks as maatstaf van verspreiding te kies?

    <p>Die reeks wys die verskil tussen die hoogste en laagste waardes</p> Signup and view all the answers

    Watter is die tweede stap in die proses om 'n frekwensietabel te skep?

    <p>Om die aantal data punte te tel wat in elke klasse-interval val</p> Signup and view all the answers

    Wat is die formule om die persentasie van data punte in 'n spesifieke klasse-interval te bereken?

    <p>Persentasie = (Frekwensie van die interval ÷ Totale aantal data punte) × 100</p> Signup and view all the answers

    Watter is die belangrikste stap in die proses van data-analise?

    <p>Die vergelyking van die maatstawwe</p> Signup and view all the answers

    Watter is die voordeel van die skep van 'n frekwensietabel met separate kolomme vir elke kategorie?

    <p>Om vergelykings te maak tussen verskillende kategorieë</p> Signup and view all the answers

    Watter stap is die finale stap in die proses om 'n frekwensietabel te skep?

    <p>Om die tabel te interpreteer</p> Signup and view all the answers

    Watter soort grafiek vertoon die verhouding tussen twee veranderlikes wanneer geen duidelike patroon sigbaar is?

    <p>Spikkeldiagram Grafiek</p> Signup and view all the answers

    Watter soort grafiek is gebruik om die totale frekwensie van twee gekombineerde kategorieë te wys, asook die verskillende komponente wat bydra tot hierdie totale frekwensie?

    <p>Vertikale Stapelgrafiek</p> Signup and view all the answers

    Watter soort grafiek is gebruik om die veranderinge in 'n datastel oor tyd te wys, en die verhouding tussen twee verskillende datastelle te vergelyk?

    <p>Twee Lys Grafieke</p> Signup and view all the answers

    Watter konsep beskryf die verhouding of patroon tussen twee veranderlikes?

    <p>Korrelasie</p> Signup and view all the answers

    Watter soort grafiek is gebruik om die verskillende komponente van 'n hoofkategorie te wys?

    <p>Pie-van-Pie Grafiek</p> Signup and view all the answers

    Watter stap is belangrik in die proses van data sortering?

    <p>Alle bogenoemde</p> Signup and view all the answers

    Watter is die doel van 'n frekwensie tabel?

    <p>Om die frekwensie van verskillende waardes in 'n datastel te wys</p> Signup and view all the answers

    Watter stap is die eerste stap in die proses van frekwensie tabel skepping?

    <p>Identifiseer die klasintervalle</p> Signup and view all the answers

    Watter is die voordeel van 'n frekwensie tabel met afsonderlike kolomme vir elke kategorie?

    <p>Om vergelykings tussen verskillende kategorieë te maak</p> Signup and view all the answers

    Watter is die doel van die statistiese proses?

    <p>Om 'n vraag te beantwoord</p> Signup and view all the answers

    Wanneer bereken ons die persentasiewaarde vir elke interval in 'n frekwensietabel?

    <p>Wanneer ons die aantal datapunte in elke interval bereken</p> Signup and view all the answers

    Waarom is dit belangrik om die datapunte te sorteer voor ons 'n frekwensietabel skep?

    <p>Om die data te organizeer</p> Signup and view all the answers

    Waarom is die berekening van persentasiewaardes belangrik in 'n frekwensietabel?

    <p>Om die data te standaardiseer</p> Signup and view all the answers

    Wat is die doel van die tweede stap in die proses van skepping van 'n frekwensietabel?

    <p>Om die aantal datapunte in elke interval te bereken</p> Signup and view all the answers

    Waarom is die skepping van 'n frekwensietabel belangrik in die analise van data?

    <p>Om die data te analiseer</p> Signup and view all the answers

    Waarom is dit belangrik om relevante vrae te poseer in die statistiese proses?

    <p>Om die doel van die data-insameling te bepaal</p> Signup and view all the answers

    Wat is die doel van 'n vraelys?

    <p>Om inligting oor 'n spesifieke onderwerp te bekom</p> Signup and view all the answers

    Waarom is 'n representatiewe steekproef belangrik?

    <p>Om die geskie van die populasie te weerspieël</p> Signup and view all the answers

    Wat is die effek van 'n klein steekproefgrootte op die data?

    <p>Die data word minder akkuraat</p> Signup and view all the answers

    Waarom is die keuse van 'n doeltreffende hulpmiddel belangrik vir die data-insameling?

    <p>Om die soort data te bekom wat nodig is</p> Signup and view all the answers

    Wat is die doel van 'n opname-lêer?

    <p>Om die frekwensie van gebeure te rekord</p> Signup and view all the answers

    Wat is die effek van 'n verteenwoordigende steekproef op die data?

    <p>Die data word minder biases</p> Signup and view all the answers

    Waarom is die formulering van spesifieke vrae belangrik in die statistiese proses?

    <p>Om die doel van die data-insameling te bepaal</p> Signup and view all the answers

    Watter tipe grafiek is geskik vir die vergelyking van twee verskillende datastelle oor tyd?

    <p>Twee lyngrafieke op dieselfde as</p> Signup and view all the answers

    Watter Begrip verwys na die verhouding tussen twee veranderlikes of kwantiteite?

    <p>Korrelasie</p> Signup and view all the answers

    Watter tipe grafiek is geskik vir die vergelyking van twee verskillende kategorieë van data?

    <p>Pie-of-Pie-kaart</p> Signup and view all the answers

    Watter stap is eerste in die proses van sorteer en reëling van data?

    <p>Sorteer die data in 'n spesifieke orde</p> Signup and view all the answers

    Watter Begrip verwys na punte in die data wat aansienlik afwyk van die ander punte?

    <p>Uitwyker</p> Signup and view all the answers

    Watter tipe grafiek is geskik vir die wysing van 'n verhouding tussen twee veranderlikes of kwantiteite?

    <p>Skatterplotgrafiek</p> Signup and view all the answers

    Watter stap is belangrik in die proses van skep 'n frekwensietabel?

    <p>Identifiseer die klasintervalle</p> Signup and view all the answers

    Watter Begrip verwys na die proses van organiseer van data in 'n spesifieke orde?

    <p>Sorteer</p> Signup and view all the answers

    Watter grafiektipe is geskik vir die vergelyking van twee verskillende kategorieë van data, veral wanneer elke kategorie uit meer kategorieë bestaan?

    <p>Bar-of-Pie-kaart</p> Signup and view all the answers

    Watter is die belangrikste rede om data te sorteer?

    <p>Om die data in 'n spesifieke orde te organiseer</p> Signup and view all the answers

    Watter meetkundige middelpunt is die mees geskik vir 'n datastel met uiterste waardes?

    <p>Mediaan</p> Signup and view all the answers

    Watter stap is die eerste stap in die proses van data-opsomming?

    <p>Sorteer die datastel</p> Signup and view all the answers

    Watter meetkundige spreiding is die verskil tussen die hoogste en laagste waardes in 'n datastel?

    <p>Reeks</p> Signup and view all the answers

    Watter is die doel van die mediane in 'n datastel?

    <p>Om die middelste waarde te vind</p> Signup and view all the answers

    Watter is die nadeel van die reeks as 'n meetkundige spreiding?

    <p>Dit is te gevoelig vir uiterste waardes</p> Signup and view all the answers

    Watter is die voordeel van die moda as 'n meetkundige middelpunt?

    <p>Dit is die mees algemene waarde in die datastel</p> Signup and view all the answers

    Watter stap volg na die berekening van die gemiddelde in die proses van data-opsomming?

    <p>Bereken die mediaan</p> Signup and view all the answers

    Watter is die doel van die meetkundige middelpunte in die analise van 'n datastel?

    <p>Om die tendensies in die datastel te identifiseer</p> Signup and view all the answers

    Watter is die voorwaarde vir die keuse van die gemiddelde as 'n meetkundige middelpunt?

    <p>Dat die datastel geen uiterste waardes het nie</p> Signup and view all the answers

    Watter is die gevolg van die teenwoordigheid van uiterste waardes op die gemiddelde?

    <p>Dit maak die gemiddelde onakkuraat</p> Signup and view all the answers

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