c. What is the chi-square statistic? Show all your work. d. How many degrees of freedom are there in the analysis? What is the critical value of the chi-square test of independence for significance level = 0.05? e. How do you conclude your finding?
c. What is the chi-square statistic? Show all your work. d. How many degrees of freedom are there in the analysis? What is the critical value of the chi-square test of independence for significance level = 0.05? e. How do you conclude your finding?
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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Need help with c,d, and e. I can provide more information as a reply if needed. Thank you so much!
Transcribed Image Text:Table 1
Chi-Square Results of the Percent of Students Exhibiting Each Quantitity-
Frequency Level for ALL STUDENTS, and for DRINKERS ONLY within
Personal Demographic Characteristics".
ALL STUDENTS
Gender
Males
Females
Race
a
White
Non-White
Age
Under 21
Over 21
Religious
Background
Catholic
Jewish
Protestant,
drinkers
Protestant,
non-
drinkers
Importance
of Religion
Very
Not
#
A
9862
1921
4641
21.8
44.5
7440 30.9 56.7
23.5
45.6
L/M
3844 15.6
234 15.8
6931 30.2 47.7
5068 23.7
57.7
53.3
45.8
56.4
59.8
3301 22.4 56.4
7923 32.9
3985
2594 48.0 40.4
50.4
16.0 55.4
H
23.2*
8.6
33.7* 3630
12.4
5071
22.1*
18.6
28.0*
24.4
21.1
DRINKERS ONLY
11.6
#
4841
3868
L/M
7544 69.6
1045
84.1
56.9
82.1
1348
68.4
75.6
3244 66.8
197
71.1
2561 72.7
77.7
16.7* 5315 75.1
28.7 3348 65.9
# = Number of students, A-Abstain, L/M=Light/Moderate, H = Heavy
*
H
43.1*
17.9
30.4*
15.9
31.6*
24.4
33.2*
28.9
27.3
22.3
24.9*34.1
p<.001 +p<.05
Note: sample size in each category does not necessarily add up to the total sample
due to missing date for each analysis.
Transcribed Image Text:b. Fill in the blanks below with expected frequencies (round to the second decimal places).
Gender
Males
Females
e.
A
1271.83
2038.87
c. What is the chi-square statistic? Show all your work.
All Students
L/M
2413.94
3869.79
H
955.24
1531.34
d. How many degrees of freedom are there in the analysis? What is the critical value of the
chi-square test of independence for significance level = 0.05?
How do you conclude your finding?
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