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Mathematics, 05.11.2019 06:31 sydthekid25
Grades in large classes are sometimes approximately normally distributed—a fact that serves as the justification for "grading on a bell curve." a common practice for very large classes is to give 16% of students a grades, 34% b grades, 34% c grades, and 16% d and f grades. assuming a normal distribution of grades, what are the z-scores for these letter grades?
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