PS296 Chapter Notes - Chapter 16: Alternative Hypothesis, Null Hypothesis, Test Statistic
Document Summary
Test statistic that can be used to compare sample means. However unlike t, it has no restriction on the number of means we can analyze (t statistics are limited to 2 sample means) Allows us to deal with two or more independent variables simultaneously. We can anlyze individual effects of each variable separately and also the interacting effects of 2 or more variables. H0: 1 = 2 = 3 = 4 = 5. Depending on how many sample means there are. The null hypothesis could be false in a number of ways. The first two could be equal but different from the last etc. Whether null is completely true, or is false. At least one mean is different from the others. The analysis of variance is a technique for using differences between sample means to draw inferences about the presence of absence of differences between population means.
