# Chapter 10: Analysis of Variance (ANOVA)

Answers for all ‘Test Yourself’ questions from the book to check your performance and widen your overall understanding of the contents.

1. Independent-samples t-test is used when comparing two independent group means.  One-way ANOVA can be used with any number of independent group means.
2. H0: μ1 = μ2 = μ3 = μ4 = μ5 = μ6 = μ7
H1: At least two means differ
3.
1. Between the group means and the overall mean.
2. Between each case and each case’s group’s mean.
4.
1. 3
2. 18
3. .05
4. 3.68
5. Yes, the results were statistically significant
5. For each of the following, find the missing value:
1. dfB = 2
2. SST =35
3. dfW = 10
4. MSB = 14