Calculate the 95% confidence interval for a sample of N = 24 with a mean = 102.97 and standard deviation (s) = 9.05.

a. 95% CI = 102.97 ± 3.83
b. 95% CI = 102.97 ± 3.17
c. 95% CI = 102.97 ± 5.19
d. 95% CI = 102.97 ± 3.92


a. 95% CI = 102.97 ± 3.83

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