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Calculate the 99% Confidence Interval for a Sample of N

Question 2

Multiple Choice

Calculate the 99% confidence interval for a sample of N = 28 with a mean = 13.64 and standard deviation (s) = 5.52.

A) 99% CI = 13.64 ± 2.13
B) 99% CI = 13.64 ± 1.77
C) 99% CI = 13.64 ± 2.88
D) 99% CI = 13.64 ± 3.81

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