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.
0486227294 (pbk)
Statistics.
Probabilities.
519 DOV 1971 A059 Or.
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.
0486227294 (pbk)
Statistics.
Probabilities.
519 DOV 1971 A059 Or.