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Author Question: In a comprehensive road test on all new car models, one variable measured is the time it takes a car ... (Read 66 times)

darbym82

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In a comprehensive road test on all new car models, one variable measured is the time it takes a 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: x1 = Maximum speed attained (miles per hour)
Initially, the simple linear model E(y) = β0 + β1x1 was fit to the data. Computer printouts for the analysis are given below:

UNWEIGHTED LEAST SQUARES LINEAR REGRESSION OF TIME60







CASES INCLUDED 129   MISSING CASES 0

Approximately what percentage, rounded to the nearest whole percent, of the sample variation in acceleration time can be explained by the simple linear model?
◦ 70%
◦ -17%
◦ 8%
◦ 0%


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Marked as best answer by darbym82 on Jan 16, 2020

Bigfoot1984

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darbym82

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Reply 2 on: Jan 16, 2020
YES! Correct, THANKS for helping me on my review


shewald78

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Reply 3 on: Yesterday
Excellent

 

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