Gr 11 Math Lit: Ch 5.3 Representing, Interpreting and Analyzing Data
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Questions and Answers

What does the height of each bar represent in a double bar graph?

  • The interval of the data
  • The frequency of a single category (correct)
  • The total frequency of all categories
  • The comparison between two categories

    • What is the main purpose of using a vertical stack graph?

  • To illustrate the trend of data over time
  • To identify the correlation between two variables
  • To show the total frequency of two combined categories (correct)
  • To compare the frequency values of different categories

    • What type of graph is used to show the comparison between different components of data, especially when each component comprises more categories?

  • Pie-of-Pie chart (correct)
  • Bar graph
  • Scatter plot graph
  • Pie chart

    • What is the advantage of placing two line graphs on the same set of axes?

    <p>To compare the changes in different data sets over time</p> Signup and view all the answers

    What type of graph is used to identify the trend of data over time?

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

    What does each point on a scatter plot graph represent?

    <p>Two different values for the variables or quantities</p> Signup and view all the answers

    What is the main purpose of using a double bar graph?

    <p>To compare the frequency values for different categories over various intervals</p> Signup and view all the answers

    What type of graph is used to compare the frequency values of different categories?

    <p>Double bar graph</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 are outliers in a data set?

    <p>Points that deviate significantly from the other points</p> Signup and view all the answers

    What is the purpose of sorting data?

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

    What is a frequency table used for?

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

    How do you calculate the percentage of data points in a specific class interval?

    <p>(Frequency of the interval / Total number of data points) × 100</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 are class intervals used in frequency tables?

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

    What happens when sorting data according to two criteria, such as sorting height data separately for males and females?

    <p>It becomes easier to compare the data within each gender group</p> Signup and view all the answers

    What is the main purpose of using a scatter plot graph?

    <p>To compare the type of relationship between two different variables or quantities</p> Signup and view all the answers

    Which graph is used to display the comparison between two different categories of data?

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

    What is the advantage of using a double bar graph?

    <p>To compare the frequency values for different categories over various intervals</p> Signup and view all the answers

    Which graph is used to display the total frequency of two combined categories?

    <p>Vertical stack graph</p> Signup and view all the answers

    What do the points on a scatter plot graph represent?

    <p>Two different values for the variables or quantities</p> Signup and view all the answers

    What is the main purpose of using a vertical stack graph?

    <p>To show the total frequency of two combined categories and illustrate the different components making up this total frequency</p> Signup and view all the answers

    Which type of graph is used to identify the trend of data over time?

    <p>Two line graphs on the same set of axes</p> Signup and view all the answers

    What do two line graphs on the same set of axes allow for?

    <p>Comparing changes in different data sets over time and how they change relative to each other</p> Signup and view all the answers

    What is the primary purpose of sorting data?

    <p>To organize data in a manageable format for analysis</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 advantage 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 can be identified by observing the scatter of points in a scatter plot?

    <p>The strength of the correlation between two variables</p> Signup and view all the answers

    What is the purpose of creating a frequency table?

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

    What do outliers in a data set indicate?

    <p>That a general pattern may exist, but there are exceptions</p> Signup and view all the answers

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

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

    What can be compared using a frequency table?

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

    What is the primary purpose of identifying patterns in the relationship between variables?

    <p>To determine the strength of the correlation</p> Signup and view all the answers

    What is the main advantage of sorting data according to two criteria?

    <p>It enables comparison of data within each category</p> Signup and view all the answers

    What is the purpose of calculating percentage values in frequency tables?

    <p>To facilitate comparison between different categories</p> Signup and view all the answers

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

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

    What can be identified by observing the scatter of points in a scatter plot?

    <p>The strength of the correlation</p> Signup and view all the answers

    What is the primary purpose of creating frequency tables?

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

    What is the main purpose of sorting data?

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

    What do outliers in a data set indicate?

    <p>Exceptions to the identified trends</p> Signup and view all the answers

    Which type of graph is most suitable for comparing the frequency values of different categories over various intervals, while also allowing for the comparison of two different categories of data?

    <p>Double Bar Graph</p> Signup and view all the answers

    What is the primary advantage of using Pie-of-Pie Charts over other types of graphs?

    <p>They help to show a comparison between different components of data, especially when each component comprises more categories</p> Signup and view all the answers

    What is the main difference between a Bar-of-Pie Chart and a Pie-of-Pie Chart?

    <p>A Bar-of-Pie Chart is used for showing the components of the main categories, while a Pie-of-Pie Chart is used for comparing two different categories of data</p> Signup and view all the answers

    Which type of graph is most suitable for identifying the trend of data over time, and comparing the changes in different data sets over time?

    <p>Two Line Graphs on the Same Set of Axes</p> Signup and view all the answers

    What is the primary advantage of using Scatter Plot Graphs over other types of graphs?

    <p>They are useful for comparing the type of relationship between two different variables or quantities when no obvious pattern is visible</p> Signup and view all the answers

    Which type of graph is most suitable for comparing the total frequency of two combined categories, and illustrating the different components making up this total frequency?

    <p>Vertical Stack Graph</p> Signup and view all the answers

    What is the primary advantage of using Double Bar Graphs over other types of graphs?

    <p>They are more suitable for comparing the frequency values of different categories over various intervals</p> Signup and view all the answers

    Which type of graph is most suitable for showing the comparison between different components of data, especially when each component comprises more categories?

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

    Which graph is most suitable for comparing the frequency values of different categories over various intervals, while also allowing for the comparison of two different categories of data at the same time?

    <p>Double Bar Graph</p> Signup and view all the answers

    What is the primary advantage of using Pie-of-Pie Charts over other types of graphs?

    <p>They are more useful for showing the components of the main categories in a larger pie chart</p> Signup and view all the answers

    Which type of graph is most suitable for identifying the trend of data over time, and comparing the changes in different data sets over time?

    <p>Two Line Graphs on the Same Set of Axes</p> Signup and view all the answers

    What is the primary advantage of using Scatter Plot Graphs over other types of graphs?

    <p>They are more useful for comparing the type of relationship between two different variables or quantities</p> Signup and view all the answers

    Which type of graph is most suitable for comparing the total frequency of two combined categories, and illustrating the different components making up this total frequency?

    <p>Vertical Stack Graph</p> Signup and view all the answers

    What is the primary advantage of using Double Bar Graphs over other types of graphs?

    <p>They are more useful for comparing the frequency values of different categories over various intervals</p> Signup and view all the answers

    Which type of graph is most suitable for showing the comparison between different components of data, especially when each component comprises more categories?

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

    What is the main difference between a Bar-of-Pie Chart and a Pie-of-Pie Chart?

    <p>The way the components are represented in the chart</p> Signup and view all the answers

    What is the primary purpose of identifying patterns in the relationship between variables?

    <p>To understand the trends and correlations between variables</p> Signup and view all the answers

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

    <p>It makes it easier to compare the frequency values of different categories</p> Signup and view all the answers

    What is the purpose of sorting data according to two criteria, such as sorting height data separately for males and females?

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

    What is the primary purpose of creating frequency tables?

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

    What is the purpose of calculating percentage values in frequency tables?

    <p>To standardize comparisons between different categories</p> Signup and view all the answers

    What is the main advantage of using scatter plot graphs?

    <p>It enables the identification of trends and correlations between variables</p> Signup and view all the answers

    What is the primary purpose of sorting data?

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

    What is the primary purpose of identifying outliers in a data set?

    <p>To understand the exceptions to the general patterns in the data</p> Signup and view all the answers

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