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wing concepts to their definitions

wing concepts to their definitions

MATLAB: An Introduction with Applications
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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Matching the following concepts to their definitions

1. The chi-square distribution 2. Categorical 3. 4. Not all the population proportions are equal Reject Ho if Chi-square test statistic > Chi-square critical value. 5. Degrees of freedom 7. 6. Crosstab or contingency Variable 1 does not affect Variable 2 8. Multinomial probability distribution
Transcribed Image Text:1. The chi-square distribution 2. Categorical 3. 4. Not all the population proportions are equal Reject Ho if Chi-square test statistic > Chi-square critical value. 5. Degrees of freedom 7. 6. Crosstab or contingency Variable 1 does not affect Variable 2 8. Multinomial probability distribution
< > A table used to show the relationship between two variables. The sum of the probabilities for this distribution equals 1. A parameter needed for the T and Chi-square distributions but not the normal.
Transcribed Image Text:< > A table used to show the relationship between two variables. The sum of the probabilities for this distribution equals 1. A parameter needed for the T and Chi-square distributions but not the normal.
Expert Solution
Step 1

Chi-square distribution

A test for establishing the association between two categorical variables.

 

The mean and variance of χ2distribution are as follows:

Mean,  μ  (χ2) = ν and Variance, σ2 (χ2) = 2ν

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