According to the central limit theorem, for samples of size 64 drawn from a population with µ = 800 and σ = 56, the standard deviation of the sample means would equal ___.
A)7
B)8
C)100
D)800
E)80

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 (σ) by the square root of the sample size (n). Here, it is 56/√64 = 56/8 = 7.

According to the Central Limit Theorem, for Samples of Size