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Mathematics, 16.12.2019 19:31 la200564

In the united states, there has historically been a strong relationship between smoking and education, with well-educated people less likely to smoke. to examine whether this pattern has changed, a sample of 459 men was selected at random from those who had visited a health center for a routine check-up over the course of the past year. education is classified into three categories corresponding to the highest level of education achieved, and smoking status is classified into four categories. smoking status education nonsmoker former moderate heavy total high school 56 54 41 36 187 college 37 43 27 32 139 graduate school 53 28 36 16 133 total 146 125 104 84 459which hypotheses are being tested by the chi-square test? the null hypothesis is that the two categorical variables are dependent. the alternative is that they are independent. the null hypothesis is that there is a relationship between education level and smoking status. the alternative is that there is no relationship. the null hypothesis is that there is no relationship between education level and smoking status. the alternative is that nonsmokers have higher education levels than smokers. the null hypothesis is that there is no relationship between education level and smoking status. the alternative is that there is a relationship.

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