answer questions that are asked for Results for: FUEL EFFICIENCY.MTW Regression

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answer questions that are asked for

Results for: FUEL EFFICIENCY.MTW Regression Analysis: City Mpg versus Weight The regression equation is City Mpg = 37.8 - 0.00476 Weight Predictor Coef SE Coef Constant 37.819 2.28216.57 0.000 Weight -00047591 0005842 -.15 .000 -. 0.80 s = R- 78 -adj) = 4.62955 -Sq 44.RSq ( 44.18 Analysis of variance Source DF ss MS Regression 1422.5 1422.5 66.37 0.000 Residual Error 821757.5 21.4 Total 83 3180.0 Indicate by then the answers drawing a line to and circling answer; write otherwise out the words. Legible is a must for grading purposes. SOFTWARE: N= SLOPE (VALUE) = X VARIABLE NAME: INTERCEPT (VALUE) = Y VARIABLE NAME STANDARD ERROR (VALUES STANDARD ERRORSYMBOL: R (VALUE= R2 LINEAR REGRESSION EQUATION:

Explanation / Answer

n = 83+ 1 = 84

slope = -0.0047591

X variable name = weight

intercept = 37.819

Y variable name = CIty MPG

standard error = S = 4.62955

standard error symbol = s

R = sqrt(0.447) = 0.66858058

R^2 = 0.447

linear regression equation

cityMPG = 37.8 -0.00476* Weight

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