Calculate the 95% confidence interval for a sample with a mean = 2.50 and a population standard error of the mean = .20.
A) 95% CI = 2.50 ± .39
B) 95% CI = 2.50 ± .33
C) 95% CI = 2.50 ± .52
D) 95% CI = 2.50 ± 2.16

Question

Calculate the 95% confidence interval for a sample with a mean  = 2.50 and a population standard error of the mean  = .20.
A) 95% CI = 2.50 ± .39 
B) 95% CI = 2.50 ± .33 
C) 95% CI = 2.50 ± .52 
D) 95% CI = 2.50 ± 2.16

Quizplus · Accepted Answer

The Answer of Calculate the 95% confidence interval for a sample with a mean  = 2.50 and a population standard error of the mean  = .20.
A) 95% CI = 2.50 ± .39 
B) 95% CI = 2.50 ± .33 
C) 95% CI = 2.50 ± .52 
D) 95% CI = 2.50 ± 2.16

Calculate the 95% Confidence Interval for a Sample with a Mean