According to the central limit theorem, if a sample of size 64 is drawn from a population with a standard deviation of 80, the standard deviation of sample means would equal _______.
A)10.000
B)1.250
C)0.125
D)0.800
E)0.080

Question

Quizplus · Accepted Answer

The standard deviation of the sample means, also known as the standard error, is calculated by dividing the population standard deviation by the square root of the sample size. Here, it is 80 / sqrt(64) = 80 / 8 = 10.

According to the Central Limit Theorem, If a Sample of Size