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Problem 3

 

13.6 Testing Categorical Probabilities: Two-Way (Contingency) Table

Concept
Problem 1
Problem 2
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Problem 1*

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
 

 

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