If the mean of a test is 13 and its standard deviation is 3,the Z score for a person with a raw score of 7 is
A)-2
B)-1
C)1
D)2

Name: If the mean of a test is 13 and its standard deviation is 3,the Z score for a person with a raw score of 7 is A)-2 B)-1 C)1 D)2
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Question

Quizplus · Accepted Answer

The Z score is calculated by subtracting the mean from the raw score and then dividing by the standard deviation. For a raw score of 7, the calculation is (7 - 13) / 3 = -6 / 3 = -2.

If the Mean of a Test Is 13 and Its