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Graphing Calculator Example
13.6 Testing Categorical Probabilities: Two-Way (Contingency) Table
Use the table below, which is from a study on heart disease and smoking, and a 0.005 significance level to test if smoking and heart disease are related.
Risk Factor Heart Disease No Heart Disease Total
Smoker 25 10 35
Nonsmoker 14 51 65
Total 39 61 100