Within-group variability decreases the statistical power of the study.

Name: Within-group variability decreases the statistical power of the study.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Within-group variability refers to the variability in the data within each group or category being studied. Greater variability within a group makes it more difficult to detect meaningful differences between the groups and therefore reduces the statistical power of the study.

Within-Group Variability Decreases the Statistical Power of the Study