@book{13379,
	author = {Daryab Singh},
	title = {Principles of statistics for B.A.& B.Com, M.A. M.Com C.A. I.C.W.A. C.S. examinations},
	publisher = {Atlantic Publisher & Distributors},
	year = {2001},
	address = {New Delhi},
	edition = {Ist}
}