Multiple Choice
A statistician believes that the standard deviation of the weights of firemen is less than 25 pounds. A sample of 20 firemen had a standard deviation of 23.2 pounds. Assume that the variable is normally
Distributed with . What is the critical value?
A) 31.410
B) 30.144
C) 10.851
D) 10.117
Correct Answer:

Verified
Correct Answer:
Verified
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