Question: A college professor has collected data for a random sample of 45 students. She has asked them to keep track of their total hours of

A college professor has collected data for a random sample of 45 students. She has asked them to keep track of their total hours of paid employment for the semester, and she has also recorded each student’s semester average mark. Does it appear that there is a linear correlation between the hours of work and the average mark? Explain.

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