Question

Do Males have Females have different voting tendencies? In a recent study, 1000 Men and Women were asked their Voting Preferences. The results are provided in the two-way contingency table below. Test to determine if Males and Females are Independent. If you find significant results, please describe them. Use α = .05

Voting Preferences |
|||

Gender |
Republican |
Democrat |
Independent |

Male |
200 |
150 |
50 |

Female |
250 |
300 |
50 |

Answer #1

p is very sma;; < 0.05

So, not independent

rep
dem
ind
male
200
150
50
female
250
300
50
1. An exit poll surveyed a random sample of 1000 voters. Voters
were classified by gender and by voting preferences: republican,
democrat, or independent. The results are shown in the table
above.
(a) Does the data indicate that there is a gender gap in voting
preferences? That is, are voting preferences and gender
independent? Test the hypothesis at the 10% significance level.
(b) After doing this problem, in your...

You have collected data on voters and their recent voting
habits. You sample 174 Republicans, 167 Democrats, and 113
Independents (which you have determined to be a reasonable
representation of the party-affiliation of voters in your region of
interest). The resulting contingency table for your results is
provided:
Party
Affiliation
Voted
Yes
No
Republican
69
105
Democrat
78
89
Independent
66
47
Construct the conditional distribution of the voting habits by
party affiliation:
Party
Affiliation
Voted...

QUESTION 24
A study examines fitness differences between males and females.
A chi-square test of association is used to test the results. The
results are displayed in the following table:
Gender
Fit
Not Fit
Total
X2,df
p
Male n (%)
24 (41.8%)
34 (58.6%)
58
5.76, 1
.02
Female n (%)
34 (64.2%)
19 (35.8%)
53
Total
58
53
111
The most appropriate interpretation of these results is:
1.
Fitness levels were similar in men and women. There is no
siginficant...

Do women feel differently from men when it comes to tax rates?
One question on a survey of randomly selected adults asked, "What
percent of income do you believe individuals should pay in income
tax?" Complete the following
Gender
Tax Rate
Gender
Tax Rate
Female
10
Male
15
Female
10
Male
20
Female
6
Male
8
Female
23
Male
10
Female
20
Male
17
Female
15
Male
2
Female
8
Male
1
Female
15
Male
15
Female
3
Male
2...

A researcher is interested in studying if males and females have
the same attitude toward abortion. Attitude toward abortion is
measured by a scale, ranging from 1 to 10. A high score indicates
strong opposition to abortion under any circumstances. Descriptive
statistics obtained from random samples of male and female
populations are presented below.
Male:
n1= 11
X1=6.2
S1=1.6
Female:
n2=20
X2=4.5
S2=1.8
Test the hypothesis that there is a significant difference in
average scores in attitude on abortion scale...

Do women feel differently from men when it comes to tax rates?
One question on a survey of randomly selected adults asked, "What
percent of income do you believe individuals should pay in income
tax?" Complete parts a) through c).
Gender Tax Rate Gender Tax
Rate
Female 10 Male 15
Female 10 Male 20
Female 6 Male 8
Female 22 Male 10
Female 20 Male 17
Female 15 Male 2
Female 10 Male 1
Female 15 Male 15
Female 3...

Given in the table are the BMI statistics for
random samples of men and women. Assume that the two samples are
independent simple random samples selected from normally
distributed populations, and do not assume that the population
standard deviations are equal. Complete parts (a) and (b) below.
Use a 0.01 significance level for both parts.
Male BMI
Female BMI
μ
μ1
μ2
n
50
50
x̄
27.7419
26.4352
s
8.437128
5.693359
a) Test the claim that males and females have...

Application Exercise:
A physician hypothesizes that males have higher systolic blood
pressure than females. The physician obtains a sample of patients
and measures their blood pressures during their regular check-up.
Below is the systolic blood pressure for the sample. What can the
physician conclude with α = 0.01?
male
female
106
119
98
105
100
132
109
113
98
105
137
115
119
115
127
122
131
124
111
136
a) What is the appropriate test statistic?
---Select--- na z-test...

A doctor hypothesizes that females have higher systolic blood
pressure than males. The doctor obtains the blood pressure from a
sample of patients during their annual check-up. Below is the
systolic blood pressure for the sample. What can be concluded with
α = 0.05?
male
female
106
119
98
105
100
132
109
113
98
105
137
105
119
115
127
122
131
124
111
136
a) What is the appropriate test statistic?
---Select--- na z-test One-Sample t-test Independent-Samples t-test...

Article # 1 Inside Nike, Women staffers circulated survey about
workplace behavior Informal survey about alleged inappropriate
behavior by men at company triggered formal review. March 19, 2018,
by Sara Germano & Joann S. Lublin for www.wsj.com Last year, a
group of female employees at Nike circulated an informal survey
about alleged inappropriate behavior by men at the world’s largest
sportswear maker, people familiar with the matter said; a move that
preceded the ouster of two veteran executives last week....

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