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In Ms. Polakoski's statistics class the mean score on the final exam is 78 points with a standard deviation of 8

points. Carl was enrolled in Ms. Polakoski's class. His score on the final exam was 89.2.

In Mr. Curtis' statistics class the mean score on the final exam is 82 points with a standard deviation of 4 points. Ray was enrolled in Mr. Curtis' class. His score on the final exam was 87.6.

Who performed better on the final exam relative to their classmates?

Top Answer

Polakoski's score is 1.4 Curtis's score is 1.4 Since we get... View the full answer

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