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. Homework Help ✎
y = 49 – 8.4x
r = –0.903
Interpret R-squared in context.
Interpret the slope 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 _______.
Think about the units for the slope in this situation.