Homework #4: Multivariate Analyses, alpha = .05 on all tests

For each question:

• Choose the correct statistical technique
• Write your hypotheses
• Determine whether to reject or accept
• Interpret results
  
  

1. Is there a relationship between how happy people are with their lives and their SEI level, holding age constant?

SEI is measured on a scale of 0-100.

Happiness is measured as very happy, pretty happy, and not too happy

Age ranges from 18-89.

very happy mean SEI = 52.04

pretty happy mean SEI = 48.43

not too happy mean SEI = 43.89

p = .000

2. Is there a relationship between being unemployed during the last 10 years and owning a gun, controlling for education?

Unemployment is measured as yes or no.

Owning a gun is measured as yes or no.

Education is measured as less than HS, HS degree, and more than a HS degree.

less than HS	P = .37
	Unemployment
Own Gun	Yes	No
Yes	20%	25%
No	80%	75%
HS degree	P = .47
	Unemployment
Own Gun	Yes	No
Yes	35%	40%
No	65%	60%
More than HS	P = .56
	Unemployment
Own Gun	Yes	No
Yes	35%	34%
No	65%	66%

3. Do attitudes about teen sex influence attitudes about abortion, when controlling for religious preference?

RELIG RS RELIGIOUS PREFERENCE			TEENSEX SEX BEFORE MARRIAGE
			1 ALWAYS WRONG	2 ALMST ALWAYS WRG	3 SOMETIMES WRONG	4 NOT WRONG AT ALL
1 PROTESTANT p=.000	ABORTION FOR ANY REASON	1 YES	29.3%	45.3%	73.9%	44.4%
		2 NO	70.7%	54.7%	26.1%	55.6%
2 CATHOLIC p=.20	ABORTION FOR ANY REASON	1 YES	33.1%	50.0%	50.0%	50.0%
		2 NO	66.9%	50.0%	50.0%	50.0%
3 JEWISH p=.58	ABORTION FOR ANY REASON	1 YES	81.8%	66.7%	50.0%	0%
		2 NO	18.2%	33.3%	50.0%	0%
4 NONE p=.004	ABORTION FOR ANY REASON	1 YES	38.7%	57.7%	72.7%	83.3%
		2 NO	61.3%	42.3%	27.3%	16.7%

4. Does social class influence the number of hours worked when controlling for years of education?

CLASS	Mean	Std. Deviation	N
1 LOWER CLASS	36.18	13.232	56
2 WORKING CLASS	42.00	13.240	919
3 MIDDLE CLASS	42.25	13.505	772
4 UPPER CLASS	40.47	14.618	57
Total	41.88	13.430	1804

p = .000

5. Is there a relationship between the number of hours worked and SEI, controlling for age in years?

r = .11, p = .000


6. Does education in years, how often people have sex, income, and age influence the number of children that people?

Coefficients(a)

	Unstandardized Coefficients		Standardized Coefficients	t	Sig.
	B	Std. Error	Beta
(Constant)	.926	.227		4.085	.000
EDUC	-.085	.012	-.146	-7.179	.000
SEXFREQ	.138	.018	.168	7.564	.000
AGE	.043	.002	.440	19.836	.000
INCOME	-.032	.014	-.046	-2.257	.024

R	R Square	Adjusted R Square	Std. Error of the Estimate	F	Sig.
.435(a)	.189	.188	1.475	125.285	.000(a)