Calculate the 95% confidence interval for a sample with a mean = 15.86 and a population standard error of the mean = 1.89.
A) 95% CI = 15.86 ± 3.70
B) 95% CI = 15.86 ± 3.12
C) 95% CI = 15.86 ± 4.88
D) 95% CI = 15.86 ± 3.85

Question

Calculate the 95% confidence interval for a sample with a mean  = 15.86 and a population standard error of the mean  = 1.89.
A) 95% CI = 15.86 ± 3.70 
B) 95% CI = 15.86 ± 3.12 
C) 95% CI = 15.86 ± 4.88 
D) 95% CI = 15.86 ± 3.85

Quizplus · Accepted Answer

The Answer of Calculate the 95% confidence interval for a sample with a mean  = 15.86 and a population standard error of the mean  = 1.89.
A) 95% CI = 15.86 ± 3.70 
B) 95% CI = 15.86 ± 3.12 
C) 95% CI = 15.86 ± 4.88 
D) 95% CI = 15.86 ± 3.85

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