On a recent biology quiz, the class mean was 21 with a standard deviation of 3.8. a. Calculate the z-score (to 4 decimal places) for a person who received score of 30. z-score for Biology Quiz: _______ b. The same person also took a midterm in their marketing course and received a score of 90. The class mean was 81 with a standard deviation of 4.8. Calculate the z-score. z-score for Marketing Midterm:______ c. Which test did the person perform better on compared to the rest of the class? d. Find the coefficient of variation for the Biology Quiz. C-Var for Biology Quiz: ________ e. Find the coefficient of variation for the Marketing Midterm. Give answer as a percent to 3 decimal places. C-Var for Marketing Midterm: _______ f. Which test scores were more variable?
On a recent biology quiz, the class
a. Calculate the z-score (to 4 decimal places) for a person who received score of 30.
z-score for Biology Quiz: _______
b. The same person also took a midterm in their marketing course and received a score of 90. The class mean was 81 with a standard deviation of 4.8. Calculate the z-score.
z-score for Marketing Midterm:______
c. Which test did the person perform better on compared to the rest of the class?
d. Find the coefficient of variation for the Biology Quiz.
C-Var for Biology Quiz: ________
e. Find the coefficient of variation for the Marketing Midterm. Give answer as a percent to 3 decimal places.
C-Var for Marketing Midterm: _______
f. Which test scores were more variable?
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