Question : i do not understand how to compute this problem. Are teachers evaluations independent of grades? After midterms, a random sample of 284 students was asked to evaluate teacher performance. The students were also asked to supply their midterm grade in the course being evaluated. In this study, only students with a grade of A, B, or C were included in the summary table. Use a 5% level of significance to test the claim that teachers evaluations are independent of midterm grades.   Mid Term Grade   Evaluation A B C Row Total Positive 53 33 18 104 Neutral 25 46 29 100 Negative 14 22 44 80 Column Total 92 101 91 284

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