Question: Consider a linear regression model where y represents the response variable, x is a quantitative explanatory variable, and d is a dummy variable. The model

Consider a linear regression model where y represents the response variable,

Consider a linear regression model where y represents the response variable, x is a quantitative explanatory variable, and d is a dummy variable. The model is estimated as 3-14.8+4.4x - 3.8d. a. Interpret the dummy variable coefficient. Intercept shifts down by 3.8 units as d changes from 0 to 1 O Slope shifts down by 3.8 units as d changes from 0 to 1 Intercept shifts up by 3.8 units as d changes from 0 to 1 Slope shifts up by 3.8 units as d changes from 0 to 1 b. Compute 3 for x 3 and d- 1. (Round your final answer to 1 decimal place.) C. Computefor x 3 and d 0. (Round your final answer to 1 decimal place.)

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