In using analysis of variance to study difference, what does the word "variance" signify?
a. an analysis of diversity of question responses
b. an analysis of the standard deviations of two or more groups
c. an analysis of a group's dispersion
d. an analysis of a sample's variance
e. an analysis of two or more groups' means-do they vary from one another significantly?
Answer: e. an analysis of two or more groups' means-do they vary from one another significantly?