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Home > CCAA8 > Chapter 6 Unit 7 > Lesson CCA: 6.2.5 > Problem 6-110
6-110.
Consumer Reports magazine collected data for the fuel efficiency of cars (miles per gallon) compared to weight (thousands of pounds). The regression model below was created.
Interpret R-squared in context.
First calculate R2 (r2). Note that R2 % is the amount of variability that can be explained by a linear relationship.
_____ percent of the variability in __________ can be explained by a linear relationship with _______.
81.5
fuel efficiency
weightInterpret the slope in context.
Think about the units for the slope in this situation.