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A researcher sampled 100 women from a medical record database and identified their smoking status an

Question: A researcher sampled 100 women from a medical record database and identified their smoking status and parity. Use the 5 steps of hypothesis testing to determine whether pregnancy and smoking status are independent.

Smoking Status	Parity
Before Pregnancy	No children	Children
Nonsmoker	20	20
Smoker	5	55

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A researcher sampled 100 women from a medical record database and identified their smoking status an

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