Which should be used when comparing the means of three groups to see if they are significantly different from one another?
A) One-group t-test
B) ANOVA
C) Three-group t-test
D) Chi-square test

Question

Quizplus · Accepted Answer

ANOVA (Analysis of Variance) is the appropriate statistical test for comparing the means of three or more groups, as it allows for the comparison of variances between groups as well as within groups. One-group t-test and three-group t-test are only suitable for comparing the means of two and three groups, respectively. Chi-square test is used for comparing categorical data, not continuous data like means.

Which Should Be Used When Comparing the Means of Three