Given a mean of 2.1 and a standard deviation of 0.7,a 90% confidence interval will be 2.1 ± 0.7.

Name: Given a mean of 2.1 and a standard deviation of 0.7,a 90% confidence interval will be 2.1 ± 0.7.
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Question

Quizplus · Accepted Answer

A 90% confidence interval is typically calculated as the mean plus or minus 1.645 times the standard deviation, which in this case would result in a confidence interval of 2.1 ± 1.15, not 2.1 ± 0.7.

Given a Mean of 2