Author Question: An interaction effect can be identified by A) looking at the pattern of cell means. B) ... (Read 79 times)

jman1234 · **on:** Jun 20, 2018

An interaction effect can be identified by

A) looking at the pattern of cell means.
B) conducting a series of t tests.
C) dividing each cell mean by its marginal mean.
D) dividing each cell mean by a weighted marginal mean.

Question 2

When estimating the variance of a population from the sample, the sample variance cannot be used directly because

A) it is based on using absolute deviations.
B) it is based on using squared deviations.
C) it tends to be slightly too largeit overestimates the population variance.
D) it tends to be slightly too smallit underestimates the population variance.