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Sufficient evidence to indicate that the instructor

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Reference no: EM131868941

An instructor was evaluated by a random sample of 80 of his students. His rankings were as follows:

Teaching Ability: very poor poor average good very good Frequency: 8 7 20 30 15

Test at a = .05 if there is sufficient evidence to indicate that the instructor's median ranking differs from "average".

Reference no: EM131868941

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