Arora ,P.N Comprehensive Statistical Methods / by Dr P.N. Arora ,Sumeet Arora ,and S.Arora - New Delhi: S.Chand Publisher, 2019. - 27.45p. ISBN: 9788121927765 Subjects--Topical Terms: Diagramatic and Graphic PresentationHistogramPopulation ParameterSociology Dewey Class. No.: 519.5 / ARO/C