Question

In a group of 20 randomly selected unicorns, the mean is 1,000 and the standard deviation is 25, what is the standard deviation of the sampling distribution?

A. 25
B. 5.59
C. 4
D. 1.25

Answer 1

Answer:

Standard deviation

Explanation:

Given n=20

mean = 1000

standard deviation= 25

sample standard deviation = 25/√20=5.59