Sale Price = β0 β1 * House Size Sales Price ($000) = $136.1 0.135 * SqFt A 2,100 sqft home, Price ($000) = $136.1 0.135*2100 = $419.6 (000) Where: β0 is the intercept of the regression line. β1 is the slope of the regression line, representing the change in sale price for each unit increase in house size?