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