Chapter 1. Categorical variables: Pie Charts and Bar Graphs

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Stat Tutor
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Question 1

1:51

Question 1.1

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Incorrect. A distribution gives a list of the possible values of the variable together with how often each value occurs. This bar graph does both.
Correct. A distribution gives a list of the possible values of the variable together with how often each value occurs. This bar graph does both.
Incorrect. Try again.
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Questions 2-3

2:32

Question 1.2

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Incorrect. Bar graphs and pie charts are both appropriate for categorical data, but a bar graph is preferred.
Correct. Bar graphs and pie charts are both appropriate for categorical data, but a bar graph is preferred.
Incorrect. Try again.
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Question 1.3

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Incorrect. Percentages are preferred because they are easier to compare than counts.
Correct. Percentages are preferred because they are easier to compare than counts.
Incorrect. Try again.
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