Question: For the previous problem, answer the following questions. (a) Is it reasonable to conclude that the least squares regression line has a positive slope? (b)

For the previous problem, answer the following questions.

(a) Is it reasonable to conclude that the least squares regression line has a positive slope?

(b) Is it possible that despite the value for r, as high school grade-point averages increase, college grade-point averages decrease? Explain your answer.

(c) What might you do, beyond considering r, to decide whether it is reasonable to conclude that as high school grade-point averages increase, college grade-point averages increase as well?

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