The fuel economy (in miles per gallon) of an automobile can depend on a number of factors,
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The fuel economy (in miles per gallon) of an automobile can depend on a number of factors, but the table below suggests that the weight of vehicle is a very good predictor.
Find the 95% confidence interval for E(Y|2890), where 2890 is the weight of the Honda Civic Hybrid. Does the interval include 37, the miles per gallon of the Civic?
Transcribed Image Text:
Model Toyota Yaris Liftback (manual) Toyota Yaris Sedan Scion xB (manual) Honda Fit Sport (manual) Honda Fit Chevrolet Malibu (4-cyl.) Honda Accord (4-cyl.) Nissan Altima 2.5 S Toyota Camry LE (4-cyl.) BMW 325i Volkswagen Passat 2.0T Lexus IS250 Weight, x (lbs) Fuel usage. y. (mpg) 2370 2430 2450 2495 2535 3135 3195 3215 3280 3460 3465 3510 34 33 32 34 32 24 24 25 24 24 24 24
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The 95 confidence interval for E Y 28 90 can be calculated using the formula E Y x 1 96 SE Y x Where ...View the full answer
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