Calculate the 95% confidence interval for a sample of N = 25 with a mean = 3.74 and a population standard deviation (σ) = 6.00.
A) 95% CI = 3.74 ± 2.35
B) 95% CI = 3.74 ± 1.98
C) 95% CI = 3.74 ± 3.10
D) 95% CI = 3.74 ± 3.16

Question

Calculate the 95% confidence interval for a sample of N = 25 with a mean  = 3.74 and a population standard deviation (σ) = 6.00.
A) 95% CI = 3.74 ± 2.35 
B) 95% CI = 3.74 ± 1.98 
C) 95% CI = 3.74 ± 3.10 
D) 95% CI = 3.74 ± 3.16

Quizplus · Accepted Answer

The Answer of Calculate the 95% confidence interval for a sample of N = 25 with a mean  = 3.74 and a population standard deviation (σ) = 6.00.
A) 95% CI = 3.74 ± 2.35 
B) 95% CI = 3.74 ± 1.98 
C) 95% CI = 3.74 ± 3.10 
D) 95% CI = 3.74 ± 3.16

Calculate the 95% Confidence Interval for a Sample of N