SOLUTION: A Math test has a mean of 40 and standard deviation of 10.0. Find the corresponding z scores for: I. a test score of 48 II. a test score of 23

Question 585220: A Math test has a mean of 40 and standard deviation of 10.0. Find the corresponding z scores for:

I. a test score of 48
II. a test score of 23
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
z = (x - mu)/(sigma)

z = (48 - 40)/(10)

z = 0.8

So the z score for a raw score of 48 is z = 0.8
=======================================================
z = (x - mu)/(sigma)

z = (23 - 40)/(10)

z = -1.7

So the z score for a raw score of 23 is z = -1.7
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