SUSAN L.ALBIN.LAN KANG.AND GERALD SHEA .M.S.and LecAs.J.M. (190).“Average Run f Handbook.Western Electrie Company,Indianapo is.IN.p. G.(1993)C:s 62p Moving Range Control Charts,X Control Joural of Quality Technology Vol.29.No.1,January 1997 Reproduced with permission of the copyright owner.Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission