14.26 House prices, age, and bedrooms For the House Selling Prices OR data file on the book’s website, the output shows the result of conducting a two-way ANOVA of house selling prices (in thousands) by the number of bedrooms in the house and the age (New, Medium, Old, Very Old—see exercise 14.12) of the houses in Corvallis, Oregon.

a. For testing the main effect of age, report the F test statistic value and show how it was formed from other values reported in the ANOVA table.

b. Report the P-value for the main effect test for age and interpret.

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Source Bedrooms Age Condition Error Total DF SS MS F P 7 517868 73981 7.325 0.000 3 242042 80681 7.988 0.000 189 1908959 10100 199 2668870