<prompt> Test used to compare two qualitative data is -Paired T-testUnpaired T-testChi-square testAVOVA  <response>: Ans. is c i.e., Chi-square test Commonly used Statistical tests Data QualitativeProportions, percentage, fractions Quantitativemean SD. of BP, Sugar, cholesterol etc Large sample size 20 of cells have expected value below 5Small sample size 20 of cells have expected values below 5Two sample group comparisonMore than 2 sample groups Sample is smallSample is large n 30Chi-squaretest Fishers exact testStudentt-test Z-testANOVA 