Multiple Choice
Calculate the 95% confidence interval for a sample of N = 28 with a mean = 15.86 and a population standard deviation (σ) = 10.00.
A) 95% CI = 15.86 ± 3.12
B) 95% CI = 15.86 ± 3.70
C) 95% CI = 15.86 ± 4.88
D) 95% CI = 15.86 ± 3.85
Correct Answer:

Verified
Correct Answer:
Verified
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