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Some scientists believe that the sickle-cell trait lowers the risk of developing malaria. To explore this belief, 398 children in Africa were tested for the sickle-cell trait and malaria. The results are presented in Table 1 (attached).  Test, at the 5% level of significance, whether there is an association between the sickle- cell trait and malaria.  Make sure you show all your workings in the 6 steps.

Some scientists believe that the sickle-cell trait lowers the risk of developing malaria. To explore this belief, 398 children in Africa were tested for the sickle-cell trait and malaria. The results are presented in Table 1 (attached).  Test, at the 5% level of significance, whether there is an association between the sickle- cell trait and malaria.  Make sure you show all your workings in the 6 steps.

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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Some scientists believe that the sickle-cell trait lowers the risk of developing malaria. To explore this belief, 398 children in Africa were tested for the sickle-cell trait and malaria. The results are presented in Table 1 (attached). 

Test, at the 5% level of significance, whether there is an association between the sickle- cell trait and malaria.  Make sure you show all your workings in the 6 steps. 

Malaria Infection Sickle-cell trait Yes No Total Present 45 103 148 Absent 104 146 250 Total 149 249 398
Transcribed Image Text:Malaria Infection Sickle-cell trait Yes No Total Present 45 103 148 Absent 104 146 250 Total 149 249 398
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