Use the formula
to calculate the 99% confidence interval for a sample of N = 15 with a mean
= 7.50 and standard error of the mean
= .32.
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:
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