Explore the relationship between the selling prices and the appraised values of the 150 homes in the file P2_7.XLS by generating a scatterplot.

a. Is there evidence of a linear relationship between the selling price and appraised value in this case? If so, characterize the relationship (i.e., indicate whether the relationship is a positive or negative one).

b. For which of the two remaining variables, the size of the home and the number of bedrooms in the home, is the relationship with the home’s selling price stronger? Justify your choice.