A researcher wants to determine if there is an association between gender and political party association. She interviewed 1000 random individuals and recorded their gender and their political party. The results are shown in the table below. Conduct the appropriate hypothesis test using a 0.05 significance level. What are the hypotheses? a.H0: p1 = p2HA: p1 > p2 b.H0: p1 = p2HA: p1 < p2 c.H0: Gender and Political Party association are related.HA: Gender and Political Party association are associated. d.H0: Gender and Political Party association are independent.HA: Gender and Political Party association are associated. e.H0: Gender and Political Party association are associated.HA: Gender and Political Party association are independent. a.133.33 b.2.5 c.10 d.50 e.40 f.133What is the chi-square contribution for male independents? a.10 b.40 c.16.3207 d.-10 e.2.5 f.0.25 Voting PreferencesRow totalRepublican Democrat IndependentMale20015050400Female25030050600Column total4504501001000

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher wants to determine if there is an association between gender and political party association. She interviewed 1000 random individuals and recorded their gender and their political party. The results are shown in the table below. Conduct the appropriate hypothesis test using a 0.05 significance level.

What are the hypotheses?

	a.	H₀: p₁ = p₂ H_A: p₁ > p₂
	b.	H₀: p₁ = p₂ H_A: p₁ < p₂
	c.	H₀: Gender and Political Party association are related. H_A: Gender and Political Party association are associated.
	d.	H₀: Gender and Political Party association are independent. H_A: Gender and Political Party association are associated.
	e.	H₀: Gender and Political Party association are associated. H_A: Gender and Political Party association are independent.

	a.	133.33
	b.	2.5
	c.	10
	d.	50
	e.	40
	f.	133

What is the chi-square contribution for male independents?

	a.	10
	b.	40
	c.	16.3207
	d.	-10
	e.	2.5
	f.	0.25

Voting Preferences
Row total
Republican Democrat Independent
Male
200
150
50
400
Female
250
300
50
600
Column total
450
450
100
1000

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