=4-22 The following data give the selling price, square footage, number of bedrooms, and age of houses that have sold in a neighborhood in the past 6 months. Develop three regression models to predict the selling price based upon each of the other factors individually. Which of these is best?

Selling Price ($)

Square Footag e Bedrooms Age

(Years)

84,000 1,670 2 30 79,000 1,339 2 25 91,500 1,712 3 30 120,000 1,840 3 40 127,500 2,300 3 18 132,500 2,234 3 30 145,000 2,311 3 19 164,000 2,377 3 7 155,000 2,736 4 10 168,000 2,500 3 1 172,500 2,500 4 3 174,000 2,479 3 3 175,000 2,400 3 1 177,500 3,124 4 0 184,000 2,500 3 2 195,500 4,062 4 10 195,000 2,854 3 3