I keep getting them all wrong.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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I keep getting them all wrong. 

You are conducting a test of homogeneity for the claim that two different populations have the
same proportions of the following two characteristics. Here is the sample data.
Population Population
Category
#1
#2
A
17
126
B
35
54
The expected observations for this table would be
Population Population
Category
#1
#2
A
32
110
B
19.95 X
69.05 X
The resulting Pearson residuals are:
Population Population
Category
#1
#2
A
-15.0!
15.05 X
В
15.05 X
15.05 X
What is the chi-square test-statistic for this data?
x²
23.742
Transcribed Image Text:You are conducting a test of homogeneity for the claim that two different populations have the same proportions of the following two characteristics. Here is the sample data. Population Population Category #1 #2 A 17 126 B 35 54 The expected observations for this table would be Population Population Category #1 #2 A 32 110 B 19.95 X 69.05 X The resulting Pearson residuals are: Population Population Category #1 #2 A -15.0! 15.05 X В 15.05 X 15.05 X What is the chi-square test-statistic for this data? x² 23.742
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