When the level of confidence and the sample size remain the same, a confidence interval for a population mean, μ, will be wider when the sample standard deviation, s, is small than when s is large.

Name: When the level of confidence and the sample size remain the same, a confidence interval for a population mean, μ, will be wider when the sample standard deviation, s, is small than when s is large.
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Question

Quizplus · Accepted Answer

A confidence interval becomes narrower as s decreases.

When the Level of Confidence and the Sample Size Remain