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Z-score given mean test score and standard deviation

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A student scores 50 on a psychology exam and 83 on an economics exam. The psychology exam has a mean score of 60 and the standard deviation of 5. The economics exam has a mean score of 80 and a standard deviation of 10. Find the z-score for each test and decide which exam score is relatively better.

What is the z-score for the psychology test score?

What is the z-score for the economics test score?

Choose the test on which the student had the better score.

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Solution Summary

This solution calculates z-scores for a student's exam scores.

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