A regression analysis between weight (y in pounds) and height (x in inches) resulted in the following least squares line: = 135 + 6x. This implies that if the height is increased by 1 inch, the weight is expected to increase by an average of 6 pounds.

Question

A regression analysis between weight (y in pounds) and height (x in inches) resulted in the following least squares line:  = 135 + 6x. This implies that if the height is increased by 1 inch, the weight is expected to increase by an average of 6 pounds.

Quizplus · Accepted Answer

This is precisely what the slope of the least squares line tells us.

A Regression Analysis Between Weight (Y in Pounds) and Height