I don't know this question, i think it is hard for me. Please help me to solve the question, thanks so much! It is a economic question. I need to prepare for today's test, that mean is I only have a short time on this question, so it is hurry up, thanks!

why? 2. convenience. this question? Please justify your answer. Sleep: = 3638.25 - (112.28) - 0.148Toturk: - 1; n = 706, R2 = 0.113. energetic than their old colleagues, how could the variable Age not be significant?" How would you reply to are not significant, you are supposed to drop these variables." How would you respond to this comment, and interest. Let's assume away the conditional heteroskedasticity, the original equation is reproduced here for (2) This pedantic guy further asks, "This does not make sense, supposedly young people are more (1) Some one who saw your regression says, "Well, base on their respective t-tests, both Educ and Age Continue with the regression in Question 1, the relationship between Sleep and Total work is our + 2.20 Aget + et