Based on the following frequency distribution, what would you conclude is the shape of the distribution of test grades? Test Grades F 30-39 8 40-49 7 50-59 3 60-69 2 70-79 1 80-89 90-99 1

Q: Question 21 > 10 -8 -6 8 -5 4 -3 7 -8 7 [E] [D] = 8 2 -1 1 -2 9. 5 6 1 2 4 10 3[E] – 4[D] = -

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Q: 11 2 1 -2 O a. -1 b. C. d. 2. e. 3. 3.

A: abcd = (a*d) - (c*b)

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A: Explanation provided in the box.

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