Determine and Interpret z-Scores
-Test scores for a statistics class had a mean of 79 with a standard deviation of 4.5. Test scores for a calculus class had a mean of 69 with a standard deviation of 3.7. Suppose a student gets a 60 on the statistics test and a 87 on the calculus test. Calculate the z-score for each test. On which test did the student perform better relative to the other students in each class

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The Answer of Determine and Interpret z-Scores
-Test scores for a statistics class had a mean of 79 with a standard deviation of 4.5. Test scores for a calculus class had a mean of 69 with a standard deviation of 3.7. Suppose a student gets a 60 on the statistics test and a 87 on the calculus test. Calculate the z-score for each test. On which test did the student perform better relative to the other students in each class

Determine and Interpret Z-Scores