Suppose that a regression equation for the relationship between y = weight (pounds) and x = height (inches) for men aged 18 to 29 years old is
Average weight = -250 + 6 (Height)
a. Estimate the average weight for men in this age group who are 70 inches tall.
b. What is the slope of the regression line for average weight and height? Write a sentence that interprets this slope in terms of how much average weight changes when height is increased by 1 inch.