Refer to Exercise 6.83. For ease of calculation, round the number of standard deviations for C grades

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Refer to Exercise 6.83. For ease of calculation, round the number of standard deviations for “C” grades to ± .5 standard deviations, and for “B” and “D” grades to ± 1.5 standard deviations. Suppose that the distribution of grades for a large class of students has an average of 78 with a standard deviation of 11. Find the appropriate cutoff points for the grades A, B, C, D, and F.

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If the grades of a large class have a mean or 78 and a standard deviation of 11 the appropr...View the full answer

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