A Real Estate Agent Developed a Model to Relate a House's

question 11

Short Answer

A real estate agent developed a model to relate a house's selling price (Y) to the area of floor space (X) and the area of floor space squared (X2). The multiple regression equation for this model is:
Y = 125 - 3X + X2
where: Y = selling price (times $1,000)
X = square feet of floor space (times 100)

-What is the difference in selling prices of a house with 1,650 square feet and one with 1,750 square feet?____________

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