Fuel efficiency, measured in miles per gallon, is a How would the value of the correlation coefficient change measure often considered by shoppers looking for a new if the car weights were recorded in kilograms, rather than
car. The scatterplot shows the vehicle weight of 15 car pounds?
models in pounds, plotted against their highway fuel
efficiency.
The value of the correlation coefficient would
increase.
The value of the correlation coefficient would
Fuel Efficiency
decrease.
The value of the correlation coefficient would not
change.
The value of the correlation coefficient could increase
or decrease, depending on the new scatterplot.
45
Fuel Efficiency
(Miles per Gallon)
30
25
20
0
2 2.5 3 3.5 4 4.5 5 5.5 6
Car Weight (Thousands of Round