Question

 An empirical relation between standard deviation (S.D), mean deviation about mean (M.D) and quartile deviation(Q.D) isa)6 S.D = 5 M. D = 4 S.Db)4 S.D = 5 M.D = 6 Q.Dc)5 S.D = 4 M.D = 6 Q.Dd)4 S.D = 6 M.D = 5 Q.D​

Answer 1

Answer:

quartile deviation =(Q3-Q1)/2