Question 1

Data from atown, on 20 randomly selected houses that have beensold, include data on price($1000s) and size(1000ft2). These data produce the graphs and computer output shown to the right and the plots below. Complete parts a and b.

Dependent variableis: PriceR squared=98.3%

s=16.20 with 202=18 degrees of freedom

Variable	Coefficient	SE(Coeff)	t-ratio	P-value
Intercept	11.42	8.10	1.41	0.1756
Size	97.06	3.01	32.21	<0.0001