If your grade on a test was determined by your standing relative to others in a class and you had a score of 90, what class should you most like to be in (hint: which one has the largest z score)?
a. Mean grade = 85, SD = 10
b. Mean grade = 83, SD = 5
c. Mean grade = 80, SD = 20
d. Mean grade = 90, SD = 5
Ans: b
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