CHi Square test for independence .
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In a study of childhood asthma, 4,317 observations were collected on education and smoking during pregnancy. Research question: At α = .005, is smoking during pregnancy independent of education level?
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Solution Summary
This solution gives the step by step method for computing chi-sqaure test statistic.
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In a study of childhood asthma, 4,317 observations were collected on education and smoking during pregnancy. Research question: At α = .005, is smoking during pregnancy independent of education level?
Answer
Here Chi Square test of independence can be applied to examine whether there is association between smoking during pregnancy and education level.
The null hypothesis tested is
H0: There is no association between smoking during pregnancy and education level.
The ...
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