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Do Homework walid kehail-Google Chrome Secure https://www.mathxl.com/Student/PlayerHomework.aspxPhomeworkld 4680197608iquestionld 58flushed false&cld; 48759608 centerwiny Elementary Statistical Methods Homework: Section 4.2 Homework Score: 0 of 1 pt 6or9(9 complete) X4.2.17 The data below represent commute times (in minutes) and scores on a well being survey Complete parts (a) through (d) below Commmute Time (minutes), x 52030406084105 690 672 659 651 633 617 592 Well Being Index Score, y (a) Find the least-squares regression ine treating the commute time, x as the explanatory variable and the index score, y, as the response variable Round to three decimal places as needed) n the edit elds and then click Check Answer 4 here to search e

Explanation / Answer

The regression equation is y = -0.093x + 69.057

Regression Analysis r² 0.991 n   7 r   -0.995 k   1 Std. Error   0.348 Dep. Var. y ANOVA table Source SS   df   MS F p-value Regression 66.6244 1   66.6244 551.40 2.61E-06 Residual 0.6041 5   0.1208 Total 67.2286 6   Regression output confidence interval variables coefficients std. error    t (df=5) p-value 95% lower 95% upper std. coeff. Intercept 69.0567 0.000 x -0.0930 0.0040 -23.482 2.61E-06 -0.1032 -0.0828 -0.995

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