SOLUTION: A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20.
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Question 693092: A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20.
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z(20) = (20-15)/sqrt(25) = 5/5 = 1
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Cheers,
Stan H.
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