Many municipalities are passing legislation that forbids smoking in restaurants and bars. Bar owners claim that these laws hurt their business. Are their concerns legitimate? The following data represent the smoking status and frequency of visits to bars from the General Social Survey. Do smokers tend to spend more time in bars? Use the a = 0.05 level of significance.

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Almost Daily Several Times a Week Once a Month Several Times Once a Year Never Several Times a Month a Year 433 573 Smoker Nonsmoker 80 57 409 294 1265 362 336 379 471 3297 350 568