Question

1. Use the date set in SLEEP75 to estimate the multiple regression model

sleep= β0+β1totwrk+β2educ+β3male+u.

and answer the following questions. Here the variable sleep is total minutes per week spent at night, totwrk is total weekly minutes spent working, educ and age are measured in years, and male is a gender dummy.

1. (8 points) In the estimation, β0=__________, β1=__________, β2=__________, β3=__________.
2. (2 points) All other factors being equal, is there evidence that men sleep more than women?
3. (3 points) Based on the corresponding estimate, explain in words the estimated tradeoff between working and sleeping.

educ	male	sleep	totwrk
12	1	3113	3438
14	1	2920	5020
17	1	2670	2815
12	0	3083	3786
14	1	3448	2580
12	1	4063	1205
12	1	3180	2113
13	1	2928	3608
17	1	3368	2353
15	1	3018	2851
8	1	1575	6415
16	0	3295	370
16	1	3798	2438
5	1	3008	2693
12	1	3248	2526
12	1	3683	2950
17	1	3201	3003
14	1	2580	4011
12	1	3420	2300
17	1	3090	1543

Answer 1