(Steps Shown) Are teacher evaluations independent of grades? After midterms, a random sample of 284 students was asked to evaluate teacher performance. The
Question:
Are teacher 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 teacher evaluations are independent of midterm grades.
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