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Mathematics, 29.03.2021 23:40 sportie59

A statistics student is studying if there is a relationship Using the computer output, what is the correlation? between the price of a used car and the number of

miles it had been driven. She collects data for 20 cars

0-0.82

of the same model with different mileage and

-0.68

determines each car's price using a used car website. 0.68

The analysis is given in the computer output.

0.82

Predictor Coef SE Coeft-ratio

Constant 24157.2 2164.1 2.965 0.046

Mileage

-0.181 0.024 5.377 0.000

S = 3860.7 R-Sq = 68.0% R-Sq (Adi) = 67.5%

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