SOLUTION: A student scored 483 points on a quiz and the students standard or (z) score was -1. the standard deviation of quiz scores was 12. What was the mean of the quiz score?
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Question 734382: A student scored 483 points on a quiz and the students standard or (z) score was -1. the standard deviation of quiz scores was 12. What was the mean of the quiz score? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A student scored 483 points on a quiz and the students standard or (z) score was -1. the standard deviation of quiz scores was 12. What was the mean of the quiz score?
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x = z*s + u
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u = x - z*s
u = 483-(-1*12)
u = 495
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Cheers,
Stan H.
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