Das, N. G. Statistical methods / N. G. Das. - New Delhi : McGraw Hill Education (India) , 2009. - 1&2 v, xiv,907 p. : ills.; 23cm. includes index ISBN: 9780070083271 525 Subjects--Topical Terms: STATISTICAL METHODS Subjects--Index Terms: STATISTICS Dewey Class. No.: 519.5 / DAS/S v.1&2