Find the equation of the regression line

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Reference no: EM131788643

Gas Mileage of Cars

The table gives the number of miles per gallon in the city and on the highway for the coupes and compact cars reported to have the best gasoline mileage, according to autobytel.com. Make a scatterplot, using the city mileage as the predictor.

Find the equation of the regression line for predicting the number of miles per gallon (mpg) on the highway from the number of miles per gallon in the city. Use the equation to predict the highway mileage from a city mileage of 100 mpg.

Also find the coefficient of determination and explain what it means. Finally, state which car is an outlier; find the coefficient of determination without the outlier, and comment on it.

Car	City	Highway
Chevy Spark EV	128	109
Fiat 500e	122	108
Honda Fit EV	132	105
Nissan Leaf	129	102
Ford Focus Electric	110	99
Mitsubishi i-MiEV	126	99
Chevy Volt	101	93
Smart fortco ED	122	93
Ford C-Max Energi	108	92
VW Jetta Hybrid	42	48

Reference no: EM131788643

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