# Chapter 1. Categorical variables: Pie Charts and Bar Graphs

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Stat Tutor
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1:51

### Question 1.1

7JPc2HkE/+9DJYSf5JBFGkZLmV1FXi2bCPpLtBfSl4RxKb2eXLNxw9khQgNqVP6T+MxwpcJq9iw/MN1iq72p7v+sKNsnMye2CTWBtZQlZG/Osmy4aEVs4eNYG4qjVvzZ3OcxV8e9dTd/YBt4OxCVdJv0WhlMOhuXMLt0nsGJZxofXbCTrsncKE+p2+OnDl/AYhqSCDMdvGy5ylWWKtpXSMvb00vbO+wI+ZRhB6ZYoqc17xF8RpTLK+u14R6LejHkW+sEd4AcmZWqt3RKm5Oan2S/eVnBhQQYy/yLwG4069TEY5WLZmRNiTV8LO/R1jfzNSwPYuOEe0sRKkFpY6xdnlBZ/x+yha9w9J2YX9YQxlvKu0SJP6J9iBSd8VYHkXWvfJ0Vxg==
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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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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