# Chapter 1. Adding categorical variables to scatterplots

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Stat Tutor
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### Question 1.1

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Correct. Since we can see a linear pattern, there is a relationship, but it is not “very strong," only moderate.
Incorrect. Since we can see a linear pattern, there is a relationship, but it is not “very strong," only moderate.
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0:58

### Question 1.2

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Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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### Question 1.3

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Correct. The relationship is stronger within each type than when type is ignored.
Incorrect. The relationship is stronger within each type than when type is ignored.
2
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