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A sample of bandages are applied to wounds. Some of the bandages are sterile and some are not, similarly some of the wounds develop infections and some do not. We would like to know if these two factors are independent or not. Sterile Not sterile Infected 19 68 Not infected 144 108 You are performing a Chi Square test for independence. Compute the test statistic. Give your answer to 2 decimal places.

A sample of bandages are applied to wounds. Some of the bandages are sterile and some are not, similarly some of the wounds develop infections and some do not. We would like to know if these two factors are independent or not. Sterile Not sterile Infected 19 68 Not infected 144 108 You are performing a Chi Square test for independence. Compute the test statistic. Give your answer to 2 decimal places.

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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A sample of bandages are applied to wounds. Some of the bandages are sterile and some are not, similarly some of the wounds develop infections and some do not. We would like to know if these two factors are independent or not. Sterile Not sterile Infected 19 68 Not infected 144 108 You are performing a Chi Square test for independence. Compute the test statistic. Give your answer to 2 decimal places.
Transcribed Image Text:A sample of bandages are applied to wounds. Some of the bandages are sterile and some are not, similarly some of the wounds develop infections and some do not. We would like to know if these two factors are independent or not. Sterile Not sterile Infected 19 68 Not infected 144 108 You are performing a Chi Square test for independence. Compute the test statistic. Give your answer to 2 decimal places.
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Non parametric test - Chi square test for the following data
19,144
68,108

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