Decreases in the estimated standard deviation have what effect on required sample size?
A)Increases.
B)Decreases.
C)No effect.
D)Indeterminate.

Name: Decreases in the estimated standard deviation have what effect on required sample size? A)Increases. B)Decreases. C)No effect. D)Indeterminate.
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Question

Quizplus · Accepted Answer

Decreases in the estimated standard deviation lead to a decrease in the required sample size because a smaller variation in data means that the sample is more representative of the population.

Decreases in the Estimated Standard Deviation Have What Effect on Required