9CQQ
Question refer to the sample data in the following table (based on data from the Pew Research Center). Randomly selected subjects were asked about the use of marijuana for medical purposes. Assume that we want to use a 0.05 significance level to test the claim that response to the question is independent of gender.

In Favor 
Oppose 
Don’t Know 
Men 
538 
167 
29 
Women 
557 
186 
31 
Find the number of degrees of freedom and the critical value.
Solution 9CQQ
The number of degree of freedom is r1 which is,
Df = r1
=31
=2
The critical value can be found from the chi square distribution table.
With the 2...