KELLER, Gerald Warrack, Brian Essentials of business statistics / [by] Gerald Keller, Brian Warrack - California Wadsworth pub. 1991 - iv, 167-593 p. Appendixes: p. A 25-A 38; Index: p. I 1-I8 ISBN: 534146767 Subjects--Topical Terms: Quality control Dewey Class. No.: 658.562 / KEL