Question

the weights of 9 men have mean x = 175 pounds and standard deviation s = 15 pounds. what is the standard error of the mean? (a) 58.3 (b) 15 (c) 5 (d) 1.67 (e) 1.29

Answer 1

5

Explanation:

standard error of mean = s/√n,

where s is the standard deviation and n is the sample size.

s/√n = 15/√9

= 15/3

= 5