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a. The fact that cars have different weights explains about 40% of the observed variation in their gas mileages. O b. The fact that cars have different gas mileages explains about 60% of the observed variation in the car weights. O c. The fact that cars have different gas mileages explains about 84% of the observed variation in the car weights. O d. The fact that cars have different weights explains about 16% of the observed variation in their gas mileages.

a. The fact that cars have different weights explains about 40% of the observed variation in their gas mileages. O b. The fact that cars have different gas mileages explains about 60% of the observed variation in the car weights. O c. The fact that cars have different gas mileages explains about 84% of the observed variation in the car weights. O d. The fact that cars have different weights explains about 16% of the observed variation in their gas mileages.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A study of new cars to predict city gas mileage (miles per gallon) from their weight (pounds) resulted in a correlation coefficient of r= -0.4 and an 2= 0.16. Based on this information, which of the following statements is correct? O a. The fact that cars have different weights explains about 40% of the observed variation in their gas mileages. O b. The fact that cars have different gas mileages explains about 60% of the observed variation in the car weights. O c. The fact that cars have different gas mileages explains about 84% of the observed variation in the car weights. O d. The fact that cars have different weights explains about 16% of the observed variation in their gas mileages.
Transcribed Image Text:A study of new cars to predict city gas mileage (miles per gallon) from their weight (pounds) resulted in a correlation coefficient of r= -0.4 and an 2= 0.16. Based on this information, which of the following statements is correct? O a. The fact that cars have different weights explains about 40% of the observed variation in their gas mileages. O b. The fact that cars have different gas mileages explains about 60% of the observed variation in the car weights. O c. The fact that cars have different gas mileages explains about 84% of the observed variation in the car weights. O d. The fact that cars have different weights explains about 16% of the observed variation in their gas mileages.
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