Other things being equal, a smaller standard deviation implies higher power.

Name: Other things being equal, a smaller standard deviation implies higher power.
Brand: Quizplus
Rating: 4.8 (32 reviews)

Question

Quizplus · Accepted Answer

A smaller standard deviation implies that the data is more tightly clustered around the mean, which makes it easier to distinguish between different treatments and achieve significance. As a result, the test will have a higher power, meaning that it will be more likely to detect a true difference if one exists.

Other Things Being Equal, a Smaller Standard Deviation Implies Higher