Walpole, Ronald E. Elementary statistical concepts / Ronald E. Walpole. - 2nd ed. - New York : London : Macmillan ; Collier Macmillan, c1983. - xiv, 442 p. : ill. ; 24 cm. Includes index. ISBN: 0024240206 LCCN: 82007162 Subjects--Topical Terms: Statistics. LC Class. No.: QA276.12 / .W358 1983 Dewey Class. No.: 519.5 / WAE 1983