Question

Fill in the tables on the following pages (below) and calculate the chi-square and then discuss your findings. What is your null and research hypothesis? Is the difference statistically significant at the .05 level? What is the p-value and the chi- square obtained? If so, what is the relationship between the two variables? Be sure to include your filled in tables as well as your hypotheses, and conclusions in your homework.

Tables for #2 Above: Table 1. Observed Values for Crosstabulation of Gender and Whether you Believe People are Generally Helpful or Only Lookout for Themselves Observed Count GENDER FEMALE MALE Total 667 1625 ARE PEOPLE 958 HELPFUL HELPFUL OR 737 625 1362 LOOKOUT SELF LOOKOUT FOR 114 162 276 DEPENDS SELF? 1406 3263 1857 Total Table 2. Expected Values for Crosstabulation of Gender and Whether you Believe People are Generally Helpful or Only Lookout for Themselves. Expected Count GENDER FEMALE MALE Total 1625 ARE PEOPLE HELPFUL HELPFUL OR 1362 LOOKOUT SELF LOOKOUT FOR 276 DEPENDS SELF? 1406 3263 1857 Total Table 3. Calculate X2 obtained for crosstab of Whether People are Generally Helpful or Lookout for Themselves and Gender. (fo-fe)/fe (fo-fe) Category fo fa fo-f Male-Helpful Female-Helpful Male-Lookout Self Female-Lookout Self Male-Depends Female-Depends 3263 3263 0 Table 3. Column Percents for Crosstabulątion of Gender and Whether you Believe People are Generally Helpful or Only Lookout for Themselves. Expected Count GENDER MALE FEMALE Total ARE PEOPLE 1625 HELPFUL HELPFUL OR 1362 LOOKOUT SELF LOOKOUT FOR 276 DEPENDS SELF? 1406 1857 3263 Total

Answer 1

Ans:

H0: gender and your belief are independent.

Ha:gender and your belief are not independent.

	Expected count(fo)
	male	female	Total
Helpful	700.20	924.80	1625
Lookout self	586.87	775.13	1362
Depends	118.93	157.07	276
Total	1406	1857	3263

	fo	fe	fo-fe	(fo-fe)^2	(fo-fe)^2/fe
male-helpful	667	700.2	-33.2	1102.240	1.574
female helpful	958	924.8	33.2	1102.240	1.192
male-lookout self	625	586.87	38.13	1453.897	2.477
female-lookout self	737	775.13	-38.13	1453.897	1.876
male-depends	114	118.93	-4.93	24.305	0.204
female-depends	162	157.07	4.93	24.305	0.155
Total	3263	3263	0	5160.8836	7.478

Chi square=7.478

df=(3-1)*(2-1)=2

p-value=CHIDIST(7.478,2)=0.0238

As,p-value<0.05,we reject the null hypothesis.

There is sufficient evidence to conclude that gender and your belief are not independent.