Elementary business statistics : the modern approach / John E. Freund [and] Frank J. Williams. Freund, John E. Williams, Frank Jefferson, author. Statistics. HA29 .F683 1972 650 FRE Bibliography: p. 465-469. Englewood Cliffs, N.J. : Prentice-Hall 1972. 1972. 1972 Text xiii, 524 p. : eng