According to the central limit theorem, if a sample of size 56 is drawn from a population with a standard deviation of 14, the standard deviation of the distribution of the sample means would equal _______.
A)14
B)1.87
C)3.5
D)0.25
E)3.74

Question

Quizplus · Accepted Answer

The standard deviation of the distribution of sample means, often called the standard error, is calculated as the population standard deviation divided by the square root of the sample size. Here, it is 14 / sqrt(56) = 14 / 7.48 ≈ 1.87.

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