For an experiment that includes four levels of a single independent variable, the most appropriate statistical test is the:
A) z test for multiple groups.
B) t test for multiple groups.
C) chi-square test.
D) analysis of variance.

Question

Quizplus · Accepted Answer

Analysis of variance (ANOVA) is used to compare means across multiple groups or levels of a single independent variable.

For an Experiment That Includes Four Levels of a Single