Multiple Choice
Calculate the 90% confidence interval for a sample of N = 17 with a mean = 18.43 and standard deviation (s) = 2.96.
A) 90% CI = 18.43 ± 1.26
B) 90% CI = 18.43 ± 2.10
C) 90% CI = 18.43 ± 2.47
D) 90% CI = 18.43 ± 1.53
Correct Answer:

Verified
Correct Answer:
Verified
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