Modern business statistics / John E. Freund and Frank J. Williams; rev. by Benjamin Perles and Charles Sullivan. Freund, John E. Williams, Frank Jefferson Perles, Benjamin rev. Sullivan, Charles rev. HA29 .F684 658 FRM Includes Index. Englewood Cliffs, N.J. Prentice-Hall, 1969. 1969. 1969 Text xvii, 541 p. : eng