00696mam a2200253 4500 3377543 BD-DhUL 20140813095620.0 731207s1943 nyu 000 0 eng c 43008152 (OCoLC)ocm00756869 CWR CWR OCL HA29 .W335 311 WAE Walker, Helen M. (Helen Mary), 1891-1983. Elementary statistical methods / Helen M. Walker. New York, H. Holt and Co. [1943] xxv, 368 p. diagrs. 24 cm. Includes bibliographies. Statistics. Statistical methods. AUTH ddc BK 2348 2348 0 0 ddc 0 311_000000000000000_WAE 0 NFIC 4386 DUSL DUSL GEN 2014-08-13 Gift 311 WAE A75251 2014-08-13 2 2014-08-13 BK