Chi square test: Smoking vs Tumour Index
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Cross tabulate and do a chi-square test on the following. Is there a relationship between the two variables given? Test at the level of alpha = 0.01. Why is Chi square appropriate here? Show all working.
Smoking vs Tumour Index
Smoking
Non-smoker=0 Smoker=1
1
0
1
0
1
1
0
1
1
0
1
0
0
0
0
1
1
1
1
1
0
0
1
0
1
1
0
0
1
0
Tumor
Tumour risk: low=1 high=2
2
1
2
1
2
2
1
1
2
1
2
1
1
1
1
2
1
1
2
2
2
2
1
1
2
2
1
1
2
1
(See attached file).
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Solution Summary
Smoking versus tumour index for chi square tests are examined. A complete, neat and step-by-step solution is provided in the attached file.
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