Gr 12 Math Lit: Ch 2.4 Representing, Interpreting and Analysing Data

What is the primary purpose of a line graph?

To study the correlation between two variables

To compare the number of items in different categories

To show the distribution of data over a range of values

To show the relationship between two quantities over time (correct)

What is the main feature of a bar graph?

Bars show the number of items in each category, with spaces between the bars (correct)

Bars are used to show the correlation between two variables

Bars are connected by straight lines

Bars touch each other to represent continuous data

What is the purpose of a scatter plot?

To show the distribution of data over a range of values

To show the relationship between two variables over time

To study the relationship between two variables (correct)

To compare the number of items in different categories

What is the primary purpose of a histogram?

To represent continuous data grouped into ranges Signup and view all the answers

What is the purpose of a box and whisker plot?

To summarize data using the five-number summary Signup and view all the answers

What is the main feature of a pie chart?

A circular graph divided into sectors, representing percentages that add up to 100% Signup and view all the answers

What is a key feature of a graph when creating it?

The dependent variable is usually on the vertical axis, and the independent variable is on the horizontal axis Signup and view all the answers

What is the purpose of a graph when exploring relationships?

To identify patterns and relationships within data Signup and view all the answers

What is the main advantage of using the median as a measure of central tendency?

It is not affected by outliers Signup and view all the answers

What is the purpose of quartiles in a data set?

To show the spread and distribution of data Signup and view all the answers

What is the main difference between a histogram and a bar graph?

A histogram is used for continuous data, while a bar graph is used for categorical data Signup and view all the answers

What is the calculation for the interquartile range (IQR) of a data set?

Q3 - Q1 Signup and view all the answers

What is the purpose of a box and whisker plot?

To summarize data distributions and identify outliers Signup and view all the answers

What is the definition of a percentile?

A value that divides the data set into 100 equal parts Signup and view all the answers

What is the main advantage of using a scatter plot?

It identifies correlations between two variables Signup and view all the answers

What is the main difference between a line graph and a bar graph?

A line graph is used to show trends over time, while a bar graph is used to compare categories Signup and view all the answers

Which type of graph is best suited to show the relationship between two variables?

Scatter plot Signup and view all the answers

What is a key feature of a histogram?

Bars touch each other, indicating continuous data Signup and view all the answers

What is the primary purpose of a pie chart?

To show parts of a whole Signup and view all the answers

When creating a graph, what is essential to include?

Proper labels on the axes, highlighting key findings, and showing relationships Signup and view all the answers

Which type of graph is used to display data sorted into categories?

Bar graph Signup and view all the answers

What is the purpose of a box and whisker plot?

To summarize data using the five-number summary Signup and view all the answers

What is a common use of graphs in data analysis?

To explore relationships, display and report findings, and identify patterns Signup and view all the answers

Which type of graph is used to show the relationship between two quantities over time?

Line graph Signup and view all the answers

What is the main advantage of using the mean as a measure of central tendency?

It provides a specific value that represents the central point of the data set. Signup and view all the answers

Which graph is most suitable for identifying correlations between two variables?

Scatter plot Signup and view all the answers

What does the range of a data set indicate?

The spread of the data set. Signup and view all the answers

What is the main advantage of using quartiles in a data set?

They show the spread and distribution of data. Signup and view all the answers

What is the purpose of a histogram in analysing data?

To show the distribution of continuous data. Signup and view all the answers

What is the main difference between the median and the mode?

The median is the middle value in an ordered data set, while the mode is the value that appears most frequently. Signup and view all the answers

What is the purpose of a box and whisker plot in analysing data?

To summarize data distributions. Signup and view all the answers

What does the interquartile range (IQR) of a data set represent?

The range of the middle 50% of the data. Signup and view all the answers

Which type of graph is best suited to display the distribution of a continuous variable?

Histogram Signup and view all the answers

What is the primary purpose of highlighting key findings in a graph?

To display data findings in a concise manner Signup and view all the answers

Which type of graph is used to display data that is sorted into categories, with spaces between the bars?

Bar Graph Signup and view all the answers

What is the purpose of the five-number summary in a box and whisker plot?

To summarize data using the minimum, Q1, median, Q3, and maximum Signup and view all the answers

Which type of graph is used to show the relationship between two variables, with each point representing a pair of values?

Scatter Plot Signup and view all the answers

What is the primary purpose of using a graph to display data?

To explore relationships within data Signup and view all the answers

Which type of graph is used to show parts of a whole, with each sector representing a percentage?

Pie Chart Signup and view all the answers

What is the primary purpose of properly labeling axes in a graph?

To clearly represent the dependent and independent variables Signup and view all the answers

Which measure of central tendency is most affected by extreme values in a data set?

Mean Signup and view all the answers

What is the primary purpose of finding the quartiles in a data set?

To show the distribution of the data Signup and view all the answers

Which type of graph is most suitable for displaying the distribution of continuous data?

Histogram Signup and view all the answers

What does the interquartile range (IQR) represent in a data set?

The range of the middle 50% of the data Signup and view all the answers

Which measure of central tendency is most suitable for categorical data?

Mode Signup and view all the answers

What is the primary purpose of using a box and whisker plot in data analysis?

To summarize the data distribution Signup and view all the answers

Which type of graph is most suitable for identifying correlations between two variables?

Scatter plot Signup and view all the answers

What is the primary purpose of finding the range of a data set?

To determine the spread of the data Signup and view all the answers

Gr 12 Math Lit: Ch 2.4 Representing, Interpreting and Analysing Data

Questions and Answers

What is the primary purpose of a line graph?

What is the main feature of a bar graph?

What is the purpose of a scatter plot?

What is the primary purpose of a histogram?

What is the purpose of a box and whisker plot?

What is the main feature of a pie chart?

What is a key feature of a graph when creating it?

What is the purpose of a graph when exploring relationships?

What is the main advantage of using the median as a measure of central tendency?

What is the purpose of quartiles in a data set?

What is the main difference between a histogram and a bar graph?

What is the calculation for the interquartile range (IQR) of a data set?

What is the purpose of a box and whisker plot?

What is the definition of a percentile?

What is the main advantage of using a scatter plot?

What is the main difference between a line graph and a bar graph?

Which type of graph is best suited to show the relationship between two variables?

What is a key feature of a histogram?

What is the primary purpose of a pie chart?

When creating a graph, what is essential to include?

Which type of graph is used to display data sorted into categories?

What is the purpose of a box and whisker plot?

What is a common use of graphs in data analysis?

Which type of graph is used to show the relationship between two quantities over time?

What is the main advantage of using the mean as a measure of central tendency?

Which graph is most suitable for identifying correlations between two variables?

What does the range of a data set indicate?

What is the main advantage of using quartiles in a data set?

What is the purpose of a histogram in analysing data?

What is the main difference between the median and the mode?

What is the purpose of a box and whisker plot in analysing data?

What does the interquartile range (IQR) of a data set represent?

Which type of graph is best suited to display the distribution of a continuous variable?

What is the primary purpose of highlighting key findings in a graph?

Which type of graph is used to display data that is sorted into categories, with spaces between the bars?

What is the purpose of the five-number summary in a box and whisker plot?

Which type of graph is used to show the relationship between two variables, with each point representing a pair of values?

What is the primary purpose of using a graph to display data?

Which type of graph is used to show parts of a whole, with each sector representing a percentage?

What is the primary purpose of properly labeling axes in a graph?

Which measure of central tendency is most affected by extreme values in a data set?

What is the primary purpose of finding the quartiles in a data set?

Which type of graph is most suitable for displaying the distribution of continuous data?

What does the interquartile range (IQR) represent in a data set?

Which measure of central tendency is most suitable for categorical data?

What is the primary purpose of using a box and whisker plot in data analysis?

Which type of graph is most suitable for identifying correlations between two variables?

What is the primary purpose of finding the range of a data set?

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