Author Question: A teacher figures that final grades in the chemistry department are distributed as: A, 25%; F, 5%. ... (Read 83 times)

karen · **on:** Jan 16, 2020

A teacher figures that final grades in the chemistry department are distributed as: A, 25%;

F, 5%. At the end of a randomly selected semester, the following number of grades were recorded. Find the critical value

to determine if the grade distribution for the department is different than expected. Use α = 0.01.

◦ 7.779
◦ 9.488
◦ 13.277
◦ 15.086

bassamabas · **Reply #1 on:** Jan 16, 2020

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