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The Humongous Book of Statistics Problems by W. Michael Kelley, Robert Donnelly

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Chapter 13
ANALYSIS OF VARIANCE
Comparing multiple means with the F-distribution
Chapter 11 outlined a procedure for comparing two population means to determine if the difference between them was statistically significant. This chapter introduces analysis of variance (ANOVA), which allows you to compare three or more population means. Once you determine that two or more of the population means differ, you apply pairwise comparison tests to identify those populations.
At the end of Chapter 12, you compared two population variances using the F-distribution. The analysis of variance test in this chapter uses the F-distribution to compare the variance that occurs within each sample to the variance between the samples. Once youfigure out that a group ...

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