00675cam a2200205 4500 0486227294 (pbk) 519.5 LAN D Langley, Russell. 39509 Practical statistics simply explained. Rev. ed. New York, Dover Publications [1971, c1970] ix, 399 p. illus. 22 cm. 1968 ed. has title: Practical statistics for non-mathematical people. 0 0 0 519_500000000000000_LAN NUST 6342 Probabilities. 79 Statistics. 69 http://www.loc.gov/catdir/description/dover032/77145771.html ddc BK 543990 543990 0 0 ddc 0 0 MCE MCE 2014-04-09 2 519.5 LAN MCE-42669 2016-03-30 2016-02-25 2014-04-09 BK