Question: Refer to the House Selling Price OR data file on

Refer to the House Selling Price OR data file on the text CD.
a. Set up an indicator variable for whether a house has a garage or not. Using software, put this as the sole predictor of house selling price (in thousands) in a regression model. Report the prediction equation, and interpret the intercept and slope estimates.
b. For the model fitted in part a, conduct the t test for the effect of the indicator variable in the regression analysis (that is, test H0: β = 0 ). Interpret.
c. Use software to conduct the F test for the analysis of variance comparing the mean selling prices of homes with and without a garage. Interpret.
d. Explain the connection between the value of t in part b and the value of F in part c.

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  • CreatedSeptember 11, 2015
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