Question: Exercise 18 shows computer output examining the association between the sizes of houses and their sale prices. a) Check the assumptions and conditions for inference.

Exercise 18 shows computer output examining the association between the sizes of houses and their sale prices.

a) Check the assumptions and conditions for inference.
b) Find a 95% confidence interval for the slope and interpret it.

800 600 2 400 200. 1.25 2.50 3.75 5.00 Size (1000ft2) Dependent variable is: Price quared-: 59.5% s# 53.79 with 1064-2#1062 degrees of freedom Variable Coefficient SE(Coeff) t-Ratio P-Value Intercept 3.1169 Size 4.688 -0.665 0.5063 2.393 39.465

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