As the carbon content in steel increases, its ductility tends to decrease. A res

Question

As the carbon content in steel increases, its ductility tends to decrease. A researcher at a steel company measures carbon content and ductility for a sample of 15 types of steel. According to the output provided below, what is the standard error of the regression slope? The regression equation is Ductility = 7.67-3.30 Carbon Content Predictor Constant Carbon Content -3.296 Coef SE Coef 1.507 1.097 7.671 5.09 0.000 3.01 0.010 S 2.36317 R-Sq-41.0% R-Sq (adj )-36.5% OA. -3.296 OB. +1.507 OC. +5.090 O D. +2.363

Explanation / Answer

For the regression example mentioned in the above problem :

Standard error of the regression slope = 2.363.

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