null hypotheses are used in chi square or t test deal with t

null hypotheses are used in chi square or t test deal with the assumption that

a. two variable are not related when chi square test is used b. there is no relationship in the population when chi square is used c. there is no difference between means of a dichotomous independent variable in the population when t test is used d. the difference of the two population means is zero when using a t test e. all of above

Solution

b. there is no relationship in the population when chi square is used