# Chapter 1. Comparing Several Means

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Stat Tutor
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### Question 1.1

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Incorrect. There is no method for combining these three P-values.
Correct. There is no method for combining these three P-values.
Incorrect. Try again.
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1:20

### Question 1.2

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Incorrect. Not knowing what P-value(s) to believe, not having one hypothesis for all of the means and inflating the overall type I error rate are all major problems of multiple comparisons.
Correct. Not knowing what P-value(s) to believe, not having one hypothesis for all of the means and inflating the overall type I error rate are all major problems of multiple comparisons.
Incorrect. Try again.
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2:18

### Question 1.3

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Incorrect. A one-way analysis of variance procedure allows us to test equality of three or more means with one hypothesis, one test statistic, and one P-value.
Correct. A one-way analysis of variance procedure allows us to test equality of three or more means with one hypothesis, one test statistic, and one P-value.
Incorrect. Try again.
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