A regression analysis between weight (Y in pounds)and height (X in inches)resulted in the following least squares line: = 140 + 5X.This implies that if the height is increased by 1 inch,the weight is expected to increase on average by 5 pounds.

Question

A regression analysis between weight (Y in pounds)and height (X in inches)resulted in the following least squares line:  = 140 + 5X.This implies that if the height is increased by 1 inch,the weight is expected to increase on average by 5 pounds.

Quizplus · Accepted Answer

The statement in the question is exactly what the slope of the least squares line indicates. Therefore, it is true.

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