a. On a recent biology quiz, the class mean was 16 with a standard deviation of 3.5. Calculate the z-score (to 2 decimal places) for a student who received score of 22.

z-score for Biology Quiz:

b. The same student also took a midterm in their marketing course and received a score of 82. The class mean was 76 with a standard deviation of 6. Calculate the z-score (to 2 decimal places).

z-score for Marketing Midterm:

c. Which test did the person perform better on compared to the rest of the class?