The scores of a class are normally distributed with a mean of 82 and a standard deviation of 8. What is the standard deviation of the sampling distribution of the sample mean, , if a sample of 64 students is selected at random from all students taking that course?
A) 10.25
B) 8.00
C) 1.25
D) 1.00

Question

The scores of a class are normally distributed with a mean of 82 and a standard deviation of 8. What is the standard deviation of the sampling distribution of the sample mean,  , if a sample of 64 students is selected at random from all students taking that course?
A) 10.25 
B) 8.00 
C) 1.25 
D) 1.00

Quizplus · Accepted Answer

The Answer of The scores of a class are normally distributed with a mean of 82 and a standard deviation of 8. What is the standard deviation of the sampling distribution of the sample mean,  , if a sample of 64 students is selected at random from all students taking that course?
A) 10.25 
B) 8.00 
C) 1.25 
D) 1.00

The Scores of a Class Are Normally Distributed with a Mean