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Tuberculosis (Y) Negative (-) 2,350 Positive (+)| 120 X-ray (X) | No (-)| Yes (+) | Total 2,370 175 20 55

Tuberculosis (Y) Negative (-) 2,350 Positive (+)| 120 X-ray (X) | No (-)| Yes (+) | Total 2,370 175 20 55

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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Using excel, formula & the table How to find the positive predictivity and negative predictivity?
Tuberculosis (Y) Negative (-) 2,350 Positive (+) X-ray (X) | No (-)| Yes (+) | Total 2,370 175 20 120 55 Total 2,470 75 2,545
Transcribed Image Text:Tuberculosis (Y) Negative (-) 2,350 Positive (+) X-ray (X) | No (-)| Yes (+) | Total 2,370 175 20 120 55 Total 2,470 75 2,545
Pr (X = +,Y = +) Positive Predictivity = Pr (Y = + |X = +) =' Pr (X = +) Pr (X = -,Y = -) Negative Predictivity = Pr (Y = - |X = -) = Pr (X = -)
Transcribed Image Text:Pr (X = +,Y = +) Positive Predictivity = Pr (Y = + |X = +) =' Pr (X = +) Pr (X = -,Y = -) Negative Predictivity = Pr (Y = - |X = -) = Pr (X = -)
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