an introduction Mariappan, P. creator text Noida Dorling Kindersley (India) Pvt. Ltd. 2013 monographic xi, 464 p. : ill. ; 24 cm. Includes index and appendixes. Biometry Medical statistics Mathematics Biostatistics Measurement Demography Biology Sampling RICAS FEAS 570.15195 MAR 9788131775141 (pbk)