An attached file indicates square footage and sales price for multiple houses in the United States. A. If I build a 500 square foot addition, how much would my home value increase? B. What percentage of variation in home value is explained by the variation n house size? C. A 3000 square foot house is listed for $500,000, is this price normal for real estate values in the country? What is the cause of this discrepancy?
Square Feet Value
2000 238139.4
2200 259711.9
2400 300953.668
3000 369965.7
3200 340091.23
3600 405425.02
2900 345131