The book entitles "Basic Concepts in Statistics" is useful to all the P.G. and Ph.D. students and faculty members of statistics, agricultural statistics and engineering, social sciences and biological sciences. It is also useful to all those students who have to appear in competitive examinations with statistics as a subject in state P.S.C's, U.P.S.C., A.S.R.B. and I.S.S. etc. This book is the outcome of 25 years of teaching experiences to U.G., P.G. and Ph.D. students. The book contains 15 s covering different topics of statistics e.g. Analysis of variance, Designs of experiments, Theories of points and interval estimations, Theories of tests of significance based on small samples n<=30 and large samples n>30 and non parametric methods and tests.