Calculate the 90% confidence interval for a sample of N = 29 with a mean = 137.98 and standard deviation (s) = 26.84.
A) 90% CI = 137.98 ± 8.47
B) 90% CI = 137.98 ± 13.76
C) 90% CI = 137.98 ± 6.68
D) 90% CI = 137.98 ± 10.20

Question

Calculate the 90% confidence interval for a sample of N = 29 with a mean  = 137.98 and standard deviation (s) = 26.84.
A) 90% CI = 137.98 ± 8.47 
B) 90% CI = 137.98 ± 13.76 
C) 90% CI = 137.98 ± 6.68 
D) 90% CI = 137.98 ± 10.20

Quizplus · Accepted Answer

The Answer of Calculate the 90% confidence interval for a sample of N = 29 with a mean  = 137.98 and standard deviation (s) = 26.84.
A) 90% CI = 137.98 ± 8.47 
B) 90% CI = 137.98 ± 13.76 
C) 90% CI = 137.98 ± 6.68 
D) 90% CI = 137.98 ± 10.20

Calculate the 90% Confidence Interval for a Sample of N