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In a comprehensive road test for new car models, one variable measured is the time it takes the car ...

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In a comprehensive road test for new car models, one variable measured is the time it takes the car ...

In a comprehensive road test for new car models, one variable measured is the time it takes the car to accelerate from 0 to 60 miles per hour. To model acceleration time, a regression analysis is conducted on a random sample of 129 new cars.

TIME60: y = Elapsed time (in seconds) from 0 mph to 60 mph
MAX: x = Maximum speed attained (miles per hour)

The simple linear model E(y) = β₀ + β₁x was fit to the data. Computer printouts for the analysis are given below:

NWEIGHTED LEAST SQUARES LINEAR REGRESSION OF TIME60

CASES INCLUDED 129 MISSING CASES 0

Find and interpret the estimate

1 in the printout above.

Textbook

Statistics

Edition: 12^th

Authors: McClave, Sincich, Tamarack

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