More on ANOVA

Read this chapter and complete the questions at the end of each section. While these sections are optional, studying ANOVA may help you if you are interested in taking the Saylor Direct Credit exam for this course.

Unequal Sample Sizes

Answers

  1. Unequal sample sizes cause confounding.

  2. Comparing unweighted means eliminates confounding.

  3. Type III sums of squares test an effect while controlling for other effects, thus eliminating confounding.