00605cam a2200193 4500 0486227294 (pbk) DLC 519 DOV 1971 A059 Or. Langley, Russell. 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. Statistics. Probabilities. http://www.loc.gov/catdir/description/dover032/77145771.html EK 14290 14290 0 0 0 519_000000000000000_DOV_1971_A059_OR 0 66313 LBA LBA A059 2017-10-11 519 DOV 1971 A059 Or. A15145 2017-10-11 EK