2. Continue with the regression in Question 1, the relationship between Sleep and Total work in our interest. Let's assume away the conditional heteroskedasticity, the original equation is reproduced here for convenience Sleep=363825-0.148totwrk-11.13bduc+2.20aget +e (112.28) 0.017) (5.88) (1,45) n=706,R2=0.113 Some one who saw your regression says, "Well, base on their respective t-tests, both Educ and Age are not significant, you are supposed to drop these variables. "How would you respond to this comment, an d (2) This pedantic guy further asks, "This does not make sense, supposed young people are more energetic than their old colleagues, how could the variable Age not be significant? How would you reply to this question? Please justify your answer.