SAMPLING INSPECTION TABLES BY VARIABLES WITH SEVERITYADJUSTMENT FOR STANDARD DEVIATION

According to the design rules of the master tables of ISO3951—81 with “s” methed,a set of adjustable sampling inspection tables by variables （which consists of sample size code letters table,normal,tightened and reduced inspection tables） which applies the standard devia tion as the process quality index has been designated in this paper.Also the compound aooeptance probability of sampling soheme designated in this paper are discussed.