Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A college administers for all its courses a student evaluation questionnaire.For a random sample 12 courses the accompanying table shows both the average student ratings of the instructor (on a scale from 1 to 5),and the average expected grades of the students (on a scale from 0 to 4).
-Calculate the sample correlation coefficient between instructor ratings and expected grades.
Correct Answer:

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Let x = Instructor Rating and y = Expect...View Answer
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