Question

really need help with part C!!

2. The Health, Aging, and Body Composition study is a 10-year based on this study study of older adults. A research project examined the relationship between education and pet ownership. The data collected included information concerning pet owner characteristics and type of pet owned. The following table gives the breakdown of pet ownership by education. In parentheses are the expected values. The results of the chi-square test of independence are also given. Less than HS HS graduate Postsecondary Total Chi-Square test: Non-pet owners Dog Owners Cat OwnersTotal (431.46) (73.25) (37.29) (641.61) (108.93) (55.46) (858.93) (145.82) (74.25) 421 28 542 100 845 991079 1932 (145 135 (55.46) 806 328 1672427 Statistic DF Value P-value Chi-square 423.146832 0.0001 a) State the null and alternative hypotheses. b) using a significance level of0.05,give a conclusion in context of the problem. c) Compute the residuals in the table below. Dog owners Cat Owners Less than HS HS Graduate Postsecondary d) Write a few sentences summariäing the table inc).

Answer 1

			c1	c2	c3	sum
		r1	421	93	28	542
		r2	666	100	40	806
		r3	845	135	99	1079
		sum	1932	328	167	2427
		Eij	1	2	3
	expected	1	431.4561	73.24928	37.2946
		2	641.6119	108.9279	55.46024
		3	858.932	145.8228	74.24516
		0i	421	93	28	666	100	40	845	135	99
		Ei	431.4561	73.24928	37.2946	641.6119	108.9279	55.46024	858.932	145.8228	74.24516
		(Oi-Ei)^2/Ei	0.253399	5.325527	2.316411	0.927011	0.731744	4.309736	0.22598	0.80326	8.253766
		sum	23.14683
		critical value	9.487729
		p-value	0.000118
c)			Non-pet	dog	cat
		Less than HS	-10.4561	19.75072	-9.2946
		HS	24.38813	-8.92789	-15.4602
		Post	-13.932	-10.8228	24.75484