This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
ANOVA is- 
Select and explain. 
A. Parametric test, B. Non parametric test, C. Qualitative test, D. None
A: Parametric test
Answer: A: Parametric test 
Explanation: Ref:Parks 23rd edition pg 852 It is a Quantitative test/Metric test. 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.