Which is relatively better: a score of 78 on a psychology test or a score of 49
ID: 3377977 • Letter: W
Question
Which is relatively better: a score of 78 on a psychology test or a score of 49 on an economics test? Scores on the psychology test have a mean of 93 and a standard deviation of 5. Scores on the economics test have a mean of 57 and a standard deviation of 3.
Choose the correct answer below.
A. The economics test score is relatively better because its z score is less than the z score for the psychology test score.
B. The economics test score is relatively better because its z score is greater than the z score for the psychology
test score.
C. The psychology test score is relatively better because its z score is less than the z score for the economics
test score.
D. The psychology test score is relatively better because its z score is greater than the z score for the economics
test score.
Explanation / Answer
Answer is A
The economics test score is relatively better because its z score is less than the z score for the psychology test score.
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