In the community health survey, the investigators studied the relationship between alcohol drinking status (defined according to four categories) and smoking status (defined according to three categories). Alcohol drinking status was classified according to the categories of current drinker, former drinker, occasional drinker, and never drinker. Table 11.19 shows the resulting cross-tabulation.

Inspect the data shown in the table. Do you think that there is an association between alcohol drinking status and smoking status? Confirm your subjective impressions by performing a statistical test at the  = 0.05 level.