TRUE regarding chi square test is: (A) Null hypothesis is equal, (B) Doesn't test the significance, (C) Measures the significance of difference between two propoion, (D) Tests correlation and regression
Answer is C. Ref: Parks 23rd edition pg 852 Chi-square test offers an alternate method of testing the significance of difference between two propoions. Advantage: it can also be used when more than 2groups are to be compared.