Countrycutie13 Countrycutie13

16-03-2017
Mathematics

Answered

a population has a mean of 60 and a standard deviation of 2. how many standard deviations above the mean is a data value of 66?

A2.5
B2
C3

D.2.5

I have no idea why A and D are the same

Verified Answer :

Anonymous Anonymous

16-03-2017

The answer to the question is 3.

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