1.

The standard deviation for the population of numbers5 10 -12 17 -14 0 -6is equal toA. 9 B. 13 C. 11.5 D. 18.

Answer»

Correct option: C. 11.5

Explanation: 

The mean is zero. The standard deviation is the square root of the sum of squares of the items divided by the number of items.



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