5. The weights of 9 men have mean = 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
Solution :
sampling distribution of standard deviation
S
=s /
n = 15/
9
S
= 5
5. The weights of 9 men have mean = 175 pounds and standard deviation s =...
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