Table gives the consumption expenditures C, the disposable income Yd , and the sex of the head of the household S of 12 random families.
(a) Regress C on Yd .
(b) Test for a different intercept for families with a male or a female as head of the household.
(c) Test for a different slope or MPC (marginal propensity to consume) for families with a male or a female as head of the household.
(d) Test for both different intercept and slope.
(e) Which is the ''best'' result?
Table Consumption, Disposable Income, and Sex of Head of Household of 12 Random Families
|
Family
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
|
C
|
18,535
|
11,350
|
12,130
|
15,210
|
8680
|
16,760
|
13,480
|
9680
|
17,840
|
11,180
|
14,320
|
19,860
|
|
Yd
|
22,550
|
14,035
|
13,040
|
17,500
|
9430
|
20,635
|
16,470
|
10,720
|
22,350
|
12,200
|
16,810
|
23,000
|
|
S
|
M
|
M
|
F
|
M
|
F
|
M
|
M
|
F
|
M
|
F
|
F
|
M
|