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A statistics instructor would like to know whether it is worthwhile to require student do time-consuming assignments. For one section of the statistics course, assignme

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A statistics instructor would like to know whether it is worthwhile to require student do time-consuming assignments. For one section of the statistics course, assignme is assigned, collected, and graded. For another section, the same assignment is ma available for students, but they are not required to turn in their homework. At the end of the semester, all students take the same final exam. The grade distributions for th two sections are as follows: FINAL EXAM GRADE A B C D E Assignment 12 15 17 5 No Assignment 12 21 28 25 14 Do these data indicate a significant difference between the grade distributions for students with mandatory assignment versus students with no mandatory assignment? State p-value. Is it a strong effect? Which conditions contribute the most to the effect? (10 points)

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