Countrycutie13 Countrycutie13

16-03-2017
Mathematics

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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?
A. 2.5
B. 2
C. 3
D.2.5
I have no idea why A and D are the same

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Аноним Аноним

16-03-2017

The answer to the question is 3.

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