manager of a product sates group believes the number of sales made by an employe
ID: 3375483 • Letter: M
Question
manager of a product sates group believes the number of sales made by an employee (V) depends on ho cored on a business aptitude test (X) and the gender of the employee (K3X1-male: O-female) A randoms 100 10 90 3 8089 7054 50 8301 1 0 Below is the minitab computer analysis for this multiple regression. Regression Analysis The regression equation is empY 20.8 1.25 yearsx1 + 6.84 scorex2 15.5 genderx3 Coef 20.757 -1.2500 6.8421 StDev 4.969 0.8722 0.9802 6.900 VIF Predictor Constant yearsx1 scoreX2 genderx3 4.18 0.014 1.430.225 6.99 0.002 2.24 0.089 3.1 3.1 5.2 15.461 The interpretation of the slope for X3 is a With an increase in gender of 1 the sales increase by 15.5, holding years with the company and aptitude Maies average 15.5 more sales than femaies, hoiding years with the company and aptitude test score cos f None of the statements given here are correct. d. Femaies average 15.5 more sales than maies e Females average 155 more sa es than ma es hoiding years with the compary and aptitude tes score con Males averare 15.5 mare sa es chan emma es. E-witn an increase in gencer os 1 the tale! ?n crease by 15.5 arciExplanation / Answer
Correct answer - b. Males average 15.5 more sales than females holding years with the company and aptitude test score.
Reason - Since the coefficient of X3 is positive, we can interpret that males have average more sales than females equal to 15.5
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