Calculate the 95% confidence interval for a sample of N = 15 with a mean = 3.50 and standard deviation (s) = .80.
A) 95% CI = 3.50 ± .45
B) 95% CI = 3.50 ± .37
C) 95% CI = 3.50 ± .63
D) 95% CI = 3.50 ± 2.36

Question

Calculate the 95% confidence interval for a sample of N = 15 with a mean  = 3.50 and standard deviation (s) = .80.
A) 95% CI = 3.50 ± .45 
B) 95% CI = 3.50 ± .37 
C) 95% CI = 3.50 ± .63 
D) 95% CI = 3.50 ± 2.36

Quizplus · Accepted Answer

The Answer of Calculate the 95% confidence interval for a sample of N = 15 with a mean  = 3.50 and standard deviation (s) = .80.
A) 95% CI = 3.50 ± .45 
B) 95% CI = 3.50 ± .37 
C) 95% CI = 3.50 ± .63 
D) 95% CI = 3.50 ± 2.36

Calculate the 95% Confidence Interval for a Sample of N