Question: The following is an incomplete simple frequency distribution table for student grades on a college professors statistics exam. 1. Find the missing values for A,

The following is an incomplete simple frequency distribution table for student grades on a college professor’s statistics exam.

1. Find the missing values for A, B, C, and D.

2. If students scoring less than 69% on this exam receive a failing grade, was this a difficult test? Explain.

Grades (%) 87-95 Frequency 4 A-B 11 69-77 5 60-C 7 51-59

Grades (%) 87-95 Frequency 4 A-B 11 69-77 5 60-C 7 51-59 D N = 40

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