<prompt> Appropriate statistical test to compare two propoionsChi-square testStudents t-testOdds ratioCorrelation coefficient  <response>: Ref:Parks 23rd edition pg 852 Here, propoion is a Qualitative measure, so we use Chi-square. Tests of significance: Qualitative: Chi- square : 2 or more than 2 groups Mc Nemar test : 1 group. before and after intervention Quantitative: Paired T test: 1 group Student T test unpaired T test: 2 groups Anova: more than 2 groups. 