In a hypothesis test,a large value for the sample variance increases the likelihood that you will find a significant treatment effect.

Name: In a hypothesis test,a large value for the sample variance increases the likelihood that you will find a significant treatment effect.
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Quizplus · Accepted Answer

A large sample variance actually decreases the likelihood of finding a significant treatment effect because it increases the standard error, making it harder to detect a difference between groups if one exists.

In a Hypothesis Test,a Large Value for the Sample Variance