If we want to conduct a test to determine whether a population mean is greater than another population mean, we:
A) can use the analysis of variance.
B) must use the independent-samples t-test for the difference between two means.
C) must use the chi-squared test.
D) can use the analysis of variance or can use the independent-samples t-test for the difference between two means.

Question

Quizplus · Accepted Answer

The independent-samples t-test is the appropriate choice for testing the difference between two means. Analysis of variance (ANOVA) is used to test for differences among three or more means, and the chi-squared test is used for analyzing categorical data.

If We Want to Conduct a Test to Determine Whether