Calculate the 95% Confidence Interval for a Sample with a Mean

question 32

Multiple Choice

Calculate the 95% confidence interval for a sample with a mean = 57.28 and a population standard error of the mean = 3.27.

• A) 95% CI = 57.28 ± 6.41
• B) 95% CI = 57.28 ± 5.40
• C) 95% CI = 57.28 ± 8.44
• D) 95% CI = 57.28 ± 5.23

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