The following table was derived from a study of HIV patients, and the data reflect the...

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Basic Math

The following table was derived from a study of HIV patients,and the data reflect the number of subjects classified by theirprimary HIV risk factor and gender. Test if there is a relationshipbetween HIV risk factor and gender using a 5% level ofsignificance:
Gender
Total
HIV Risk Factor
Male
Female
IV drug user
24
40
64
Homosexual
32
18
50
Other
15
25
40
71
83
154
What type of chi-square test will you use (goodness of fit ortest of independence)?
What are your hypotheses?
H₀:
H_A:
Fill in the following table to calculate your teststatistic:
IV Drug Use:
Homosexual:
Other:
Total
Male
O =
24
32
15
71
E =
(O – E) =
(O – E)² / E =
Female
O =
40
18
25
83
E =
(O – E) =
(O – E)² / E =
df =_
Critical value:

Conclusion: We _____ (reject / fail to reject) theNull Hypothesis
Interpretation:

Answer & Explanation Solved by verified expert

3.7 Ratings (456 Votes)

Here we use Chi Square test for Independence because we haveattributed data and also we have to find if there is a relationshipbetween HIV risk factor and See Answer

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The following table was derived from a study of HIV patients, and the data reflect the...

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Question

Basic Math

Answer & Explanation Solved by verified expert

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	Gender		Total
HIV Risk Factor	Male	Female	Total
IV drug user	24	40	64
Homosexual	32	18	50
Other	15	25	40
	71	83	154

		IV Drug Use:	Homosexual:	Other:	Total
Male	O =	24	32	15	71
	E =
	(O – E) =
	(O – E)² / E =
Female	O =	40	18	25	83
	E =
	(O – E) =
	(O – E)² / E =