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. Category Population #1 Population #2 A 33 78 B 27 57
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. Category Population #1 Population #2 A 33 78 B 27 57
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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Question
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.
Category | Population #1 |
Population #2 |
---|---|---|
A | 33 | 78 |
B | 27 | 57 |
The expected observations for this table would be
Category | Population #1 |
Population #2 |
---|---|---|
A | ||
B |
What is the chi-square test-statistic for this data?
χ2=
Report all answers accurate to three decimal places.
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