A statistics student is studying if there is a relationship between the price of a used car and the number of miles it has been driven. She collects data for 20 cars of the same model with different mileage, and determines each car's price using a used car website. The analysis is given in the computer output. Coef SE Coef t-ratio Predictor Constant 24157.2 2164.1 2.965 0.046 Mileage -0.181 θ.024 5.377 0.000 s = 3860.7 R-Sq = 68.0% R-Sq(Adj) = 67.5% Using the computer output, what is the equation of the least-squares regression line? O y = -0.181 + 24157.2x O ý = 24157.2 – 0.181x O ý = 2164.1+ 0.024x ý = 0.024 + 2164.1x
A statistics student is studying if there is a relationship between the price of a used car and the number of miles it has been driven. She collects data for 20 cars of the same model with different mileage, and determines each car's price using a used car website. The analysis is given in the computer output. Coef SE Coef t-ratio Predictor Constant 24157.2 2164.1 2.965 0.046 Mileage -0.181 θ.024 5.377 0.000 s = 3860.7 R-Sq = 68.0% R-Sq(Adj) = 67.5% Using the computer output, what is the equation of the least-squares regression line? O y = -0.181 + 24157.2x O ý = 24157.2 – 0.181x O ý = 2164.1+ 0.024x ý = 0.024 + 2164.1x
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 4GP
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