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Calculate the 90% Confidence Interval for a Sample of N

Question 11

Multiple Choice

Calculate the 90% confidence interval for a sample of N = 21 with a mean Calculate the 90% confidence interval for a sample of N = 21 with a mean = 65.25 and standard error of the mean = 2.57. A) 90% CI = 65.25 ± 4.43 B) 90% CI = 65.25 ± 7.31 C) 90% CI = 65.25 ± 4.30 D) 90% CI = 65.25 ± 5.36 = 65.25 and standard error of the mean Calculate the 90% confidence interval for a sample of N = 21 with a mean = 65.25 and standard error of the mean = 2.57. A) 90% CI = 65.25 ± 4.43 B) 90% CI = 65.25 ± 7.31 C) 90% CI = 65.25 ± 4.30 D) 90% CI = 65.25 ± 5.36 = 2.57.


A) 90% CI = 65.25 ± 4.43
B) 90% CI = 65.25 ± 7.31
C) 90% CI = 65.25 ± 4.30
D) 90% CI = 65.25 ± 5.36

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