Gr 10 Math Lit: Ch 3.6 Pie Chart
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Questions and Answers

What is the purpose of calculating measures of central tendency and spread?

  • To make decisions based on the data
  • To identify patterns in the data (correct)
  • To display data graphically
  • To gather information
  • What is the formula to calculate the mean?

  • Mean = Median + Mode
  • Mean = Range / Number of Values
  • Mean = Highest Value - Lowest Value
  • Mean = (∑ Values) / Number of Values (correct)
  • What type of graph is used to compare parts of a whole?

  • Line Graphs
  • Pie Charts (correct)
  • Histograms
  • Bar Graphs
  • What is the difference between the highest and lowest values in a data set called?

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

    What type of graph is used to show changes over time and relationships between two quantities?

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

    What is the middle value in a set of ordered data called?

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

    What is the primary purpose of analyzing data?

    <p>To make decisions based on the information</p> Signup and view all the answers

    Which of the following measures of central tendency is most affected by extreme values in a data set?

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

    What is the main advantage of using a histogram over a bar graph?

    <p>Histograms are used for continuous data</p> Signup and view all the answers

    Which type of graph is most suitable for displaying the relationship between two quantitative variables?

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

    What is the primary limitation of using the range as a measure of spread?

    <p>It is sensitive to extreme values</p> Signup and view all the answers

    What is the main advantage of using graphical representation of data?

    <p>It allows for easier identification of trends and patterns</p> Signup and view all the answers

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