Essay
A researcher wants to verify his belief that smoking and drinking go together.The following table shows individuals cross-classified by drinking and smoking habits. 
a.Set up the competing hypotheses to determine if drinking and smoking are dependent.
b.Calculate the value of the test statistic.
c.Specify the critical value at the 5% significance level.
d.Can you conclude smoking and drinking are dependent?
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The null hypothesis for the chi-square t...View Answer
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