Question

Here are advertised horsepower ratings and expected gas mileage for several 2002 vehicles Vehicle Horsepower Gas Mileage 100 285 hp 215 170 127 210 205 194 140 13 mpg 35 10 29 23 20 25 100 100 350 b) Describe the direction, form, and strength of the plot. Choose the correct answer below A. There is a negative, straight, and strong association. B. There is a negative, curved, and weak association. C. There is a positive, straight, and moderately strong association. D. There is a positive, straight and strong association. Find the correlation between horsepower and miles per gallon. (Round to three decimal places as needed.)

Answer 1

The statistical software output for this problem is:

en Horsepower and Gas Mileage 0.9380006

Hence,

c) r = -0.938