Multiple Choice
Use the formula , where
= to calculate the 99% confidence interval for a sample of N = 15 with a mean
= 7.50 and standard deviation (s) = 1.25.
A) 99% CI = 7.50 ± .69
B) 99% CI = 7.50 ± .56
C) 99% CI = 7.50 ± .95
D) 99% CI = 7.50 ± 3.30
Correct Answer:

Verified
Correct Answer:
Verified
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