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Chapter 19
Analysis of Variance
In This Chapter
◆ Comparing three or more population means using analysis of variance (ANOVA)
◆ Using the F-distribution to perform a hypothesis test for ANOVA
◆ Using Excel to perform a one-way ANOVA test
◆ Comparing pairs of sample means using the Scheffé test
In Chapter 17, you learned about a hypothesis test where you could compare the means of two different populations to see whether they were different. But what if you want to compare the means of three or more populations? Well, you’ve come to the right place, because that’s what this chapter is all about.

To perform this new hypothesis test, I need to introduce one last probability distribution, known as the F-distribution. The test ...

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