The coefficient of correlation for the model is 0.63. a) Use the model to predict the selling price of a house that is 1,860 square feet. b) An 1,860-square-foot house recently sold for $95,000. Explain why this is not what the model predicted.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.3: Simple Regression Models
Problem 6P: Do the sales prices of houses in a given community vary systematically with their sizes (as measured...
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Can you assist me with Question 4.48 I've made attempts to solve but still don't understand. Can you please write the process out step by step? It's easier to follow along. Thank you kindly.
• 4.48
estate developer, has devised a regression model to help determine
residential housing prices in northwestern Pennsylvania. The
model was developed using recent sales in a particular neighbor-
hood. The price (Y) of the house is based on the size (square foot-
age = X) of the house. The model is:
Rhonda Clark, a Slippery Rock, Pennsylvania, real
Y = 13,473 + 37.65X
The coefficient of correlation for the model is 0.63.
a) Use the model to predict the selling price of a house that is
1,860 square feet.
b) An 1,860-square-foot house recently sold for $95,000. Explain
why this is not what the model predicted.
Transcribed Image Text:• 4.48 estate developer, has devised a regression model to help determine residential housing prices in northwestern Pennsylvania. The model was developed using recent sales in a particular neighbor- hood. The price (Y) of the house is based on the size (square foot- age = X) of the house. The model is: Rhonda Clark, a Slippery Rock, Pennsylvania, real Y = 13,473 + 37.65X The coefficient of correlation for the model is 0.63. a) Use the model to predict the selling price of a house that is 1,860 square feet. b) An 1,860-square-foot house recently sold for $95,000. Explain why this is not what the model predicted.
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