. The Bell System technical journal . conditions associated with the product A METHOD OF SAMPLING INSPECTION 623 600500400 300200 1- —. otil m^ u. > «() UJ o 111 50 li. u. <) Ill a 40 rr iji z CD o 2 ^- 30 13 o Z < III o z UJ ■^o < z a. \ \\ \ \\ L\\ \ \ \ Vl3\ \ \ \ W v\ y \ \ q\ \ \ §^ \ \ \ \ «^\ rN \ \ V V V \ \ \ A^ \W x^-O \ \ V \7\ \ \^ V X^ \ \ Xi? VeX \ v^ ^X.^ 1 \ \ A \ ^ s\^ 1 \ ^\ \ ^\. \ ^ V N ^ x». N. ^ ■^«v^—^^ \ N. \ ^^ \ 1 \^ ^^ :^ s. ^^^^^ \^ >., — single samplingconsumers risk, 0 RATIO OF PROCESS AVERAGE TO TOLERANCErp/pt= (proCESS
. The Bell System technical journal . conditions associated with the product A METHOD OF SAMPLING INSPECTION 623 600500400 300200 1- —. otil m^ u. > «() UJ o 111 50 li. u. <) Ill a 40 rr iji z CD o 2 ^- 30 13 o Z < III o z UJ ■^o < z a. \ \\ \ \\ L\\ \ \ \ Vl3\ \ \ \ W v\ y \ \ q\ \ \ §^ \ \ \ \ «^\ rN \ \ V V V \ \ \ A^ \W x^-O \ \ V \7\ \ \^ V X^ \ \ Xi? VeX \ v^ ^X.^ 1 \ \ A \ ^ s\^ 1 \ ^\ \ ^\. \ ^ V N ^ x». N. ^ ■^«v^—^^ \ N. \ ^^ \ 1 \^ ^^ :^ s. ^^^^^ \^ >., — single samplingconsumers risk, 0 RATIO OF PROCESS AVERAGE TO TOLERANCErp/pt= (proCESS AVERAGE FRACTION DE FECTIVE)/(T0LERANCE FRACTION DEFECTIVE)] Fig. 2—Chart for finding acceptance number. 624 BELL SYSTEM TECHNICAL JOURNAL. TOLERANCE TIMES SAMPLE SIZE [p^n = (tolerance fraction defective)(sample size)]Fig. 3—Curves for finding size of sample. A METHOD OF SAMPLING INSPECTION 625
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
