Appropriate statistical test to compare two propoions
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.
Chi-square test
Student's t-test
Odds ratio
Correlation coefficient
Biostatistics