MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A researcher conducted an Independence test by
using data consisting of 2 categorical variables: Zip
code and Diet. Her data can be organized into a 2 by
2 contingency table. If she found the test statistic
x = 15.62:
What is the degree of freedom of the x statistic?
What is the P-value of the Independence test?
(Round to 3 decimals)
Given the significance level of 0.01, what can she
conclude from the test?
Zip code and diet are independent of one
another.
Zip code and diet are dependent on one
another.
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Transcribed Image Text:A researcher conducted an Independence test by using data consisting of 2 categorical variables: Zip code and Diet. Her data can be organized into a 2 by 2 contingency table. If she found the test statistic x = 15.62: What is the degree of freedom of the x statistic? What is the P-value of the Independence test? (Round to 3 decimals) Given the significance level of 0.01, what can she conclude from the test? Zip code and diet are independent of one another. Zip code and diet are dependent on one another.
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