CMRP Exam Question No 12

Question No 12:

What is the statistical average and the population standard deviation of the following series of numbers?
1.30, 1.25, 1.50, 1.12, 1.35, 1.38

A. Statistical average = 1.32; standard deviation= 0.128
B. Statistical average = 1.50; standard deviation= 0.25
C. Statistical average = 1.32; standard deviation= 1.50
D. Statistical average = 0.128: standard deviation= 1.32

Answer: A