abs (Y, average number of days absent per employee) salary (X1,…abs (Y, average number of days absent per employee) salary (X1, average employee salary in $) swork (X2, availability of shift work, coded 1 if yes and 0 if no)Image transcription textSUMMARY OUTPUT Regression Statistics Multiple R 0.533260276 R Square 0.284366522 Adjusted R Square0.250288737 Standard Error 2.94024132 Observations 45 ANOVA df SS MS F Significance F Regression 2144.2789789 72.13948943 8.344630503 0.000888185 Residual 42 363.0907989 8.645019022 … Show more… Show more At the 5% level of significance, test whether the slope of Y with X1 differs by availability of shiftwork. Follow all the necessary steps. MathStatistics and Probability ECON 7300
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