Question: In addition to the data recorded for Exercises 12.31 and 13.217, we recorded the grade point average of the students who held down part-time jobs.

In addition to the data recorded for Exercises 12.31 and 13.217, we recorded the grade point average of the students who held down part-time jobs. Determine whether there is evidence of a linear relationship between the hours spent at part-time jobs and the grade point averages.

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