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

Question 24

Multiple Choice

Calculate the 95% confidence interval for a sample with a mean Calculate the 95% confidence interval for a sample with a mean = 2.50 and a population standard error of the mean = .20. A) 95% CI = 2.50 ± .39 B) 95% CI = 2.50 ± .33 C) 95% CI = 2.50 ± .52 D) 95% CI = 2.50 ± 2.16 = 2.50 and a population standard error of the mean Calculate the 95% confidence interval for a sample with a mean = 2.50 and a population standard error of the mean = .20. A) 95% CI = 2.50 ± .39 B) 95% CI = 2.50 ± .33 C) 95% CI = 2.50 ± .52 D) 95% CI = 2.50 ± 2.16 = .20.


A) 95% CI = 2.50 ± .39
B) 95% CI = 2.50 ± .33
C) 95% CI = 2.50 ± .52
D) 95% CI = 2.50 ± 2.16

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