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Calculate the 90% Confidence Interval for a Sample of N

Question 99

Multiple Choice

Calculate the 90% confidence interval for a sample of N = 25 with a mean Calculate the 90% confidence interval for a sample of N = 25 with a mean = 2.75 and standard deviation (s) = .93. A) 90% CI = 2.75 ± .33 B) 90% CI = 2.75 ± .53 C) 90% CI = 2.75 ± 1.90 D) 90% CI = 2.75 ± .39 = 2.75 and standard deviation (s) = .93.


A) 90% CI = 2.75 ± .33
B) 90% CI = 2.75 ± .53
C) 90% CI = 2.75 ± 1.90
D) 90% CI = 2.75 ± .39

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