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

Question

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

Quizplus · Accepted Answer

The Answer of 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

Calculate the 90% Confidence Interval for a Sample of N