Multiple Choice
Calculate the 95% confidence interval for a sample of N = 30 with a mean = 7.12 and standard deviation (s) = 3.67.
A) 95% CI = 7.12 ± 1.37
B) 95% CI = 7.12 ± 1.14
C) 95% CI = 7.12 ± 1.84
D) 95% CI = 7.12 ± 2.72
Correct Answer:

Verified
Correct Answer:
Verified
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