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On a chemistry test, the mean was 68 and the standard deviation was 8. On an American History test, the mean was 73 with a

On a chemistry test, the mean was 68 and the standard deviation was 8. On an American History test, the mean was 73 with a standard deviation of 7.Danielle scored a 78 on the chemistry test and 81 on the American History test.Determine which test Danielle did better on, relative to the other students in her classes.

Chemistry z-score =

American History z-score =

Which test did she do better on?

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