1. In a study of heart disease in male federal employees, researchers classified 170 volunteer subjects according to their socioeconomic status (SES) and their smoking habits. SES categorized as high and low. Individuals were asked whether they were smokers or non-smoker. Here is the two way table that summarizes the data.

Question

1.	In a study of heart disease in male federal employees, researchers classified 170 volunteer subjects according to their socioeconomic status (SES) and their smoking habits. SES categorized as high and low. Individuals were asked whether they were smokers or non-smoker. Here is the two way table that summarizes the data.

Smoking	SES

High    Low	Total
Smoker 	40	30	70
Non     80	20	100
Total   120	50	170

a.	Determine, which hypothesis testing is appropriate to test the relationship between SES and smoking habits variable?

b.	Write the HO and H1

c.	Perform the test. Is there a statistically significant relationship between SES and Smoking?

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