4-22

: 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 pre lict the selling price based upon each of the other factors individually, which of these is best? AGE SELLING SQUARE PRICE ($) FOOTAGE BEDROOMS (YEARS) 30 84,000 1,670 25 79,000 1,339 30 91,500 1,712 40 120,000 1,840 18 127,500 2,300 30 2,234 132,500 19 145,000 2,311 164,000 2,377 10 155,000 2,736 168,000 2,500 172,500 2,500 174,000 2,479 175,000 2,400 177,500 3,124 2,500 184,000 4,062 10 195,500 195,000 2,854