A 90% confidence interval estimate for a population mean is determined to be 62.8 to 73.4. If the confidence level is reduced to 80%, the confidence interval for becomes narrower.

Name: A 90% confidence interval estimate for a population mean is determined to be 62.8 to 73.4. If the confidence level is reduced to 80%, the confidence interval for becomes narrower.
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Question

A 90% confidence interval estimate for a population mean  is determined to be 62.8 to 73.4. If the confidence level is reduced to 80%, the confidence interval for  becomes narrower.

Quizplus · Accepted Answer

When the confidence level is reduced, the confidence interval becomes narrower, meaning the range of possible values is smaller.

A 90% Confidence Interval Estimate for a Population Mean