The scatterplot below shows the relationship between mass, x, in kilograms of a car and its fuel efficiency, y, in miles per gallon. The least-squares line is also shown on the scatterplot. The equation of the least-squares line is ý = 37.335
-0.00965x. Which of the following statements correctly interprets the value of -0.00965 on the least-squares line?
Fuel Efficiency and Mass for Cars
40
30
Fuel Efficiency (mpg)
20
fing
10
0
1.000
2.000
3.000
4.000
Mass (kg)