Suppose I found a positive correlation between GPA and the number of hours spent studying for a sample of PSU students The least square regression line of GPA on number of hours spent studying have (a) a positive slope (b) a negative slope (c) could be a negative slope or a positive slope, we can't be sure 2 Suppose that you have two variables X and Y with a correlation of 0 7 What is the coefficient of determination of the least square regression line of Y on X 3 Consider the same example as in 2 What can you say about the coefficient of determination of the least square regression line of X on Y

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Question: Suppose I found a positive correlation between GPA and the number of hours spent studying for a sample of PSU students. The least-square regression line

Suppose I found a positive correlation between GPA and the number of hours spent studying for a sample of PSU students. The least-square regression line of GPA on number of hours spent studying have

(a) a positive slope

(b) a negative slope

2. Suppose that you have two variables X and Y with a correlation of 0.7. What is the coefficient of determination of the least square regression line of Y on X.

3. Consider the same example as in 2. What can you say about the coefficient of determination of the least square regression line of X on Y?

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