If the mean on a test is 100 and the standard deviation is 15, a person with a z-score of +1.0 scored _____ on the test.
A)70
B)85
C)115
D)130

Name: If the mean on a test is 100 and the standard deviation is 15, a person with a z-score of +1.0 scored _____ on the test. A)70 B)85 C)115 D)130
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Question

Quizplus · Accepted Answer

A z-score of +1.0 means the person scored one standard deviation above the mean. Therefore, their actual score would be 15 points above the mean of 100, which equals 115.

If the Mean on a Test Is 100 and the Standard