TABLE B-1 Standard Deviation Method .
Master Table for Normal (& Tightened) Inspection for Plans Based .
on Variability Unknown (Single Spec. Lim.–Form 1) .
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Sample size Sample ------------- AQL (normal inspection) ------------ .
code letter size --- .10 .15 .25 : .40 .65 1.00 1.50 .
k k k k : k k k k .
---------------+------+-----+-----+------+-----+-----+-----+----------.
B 3 | | | | : | | v v .
C 4 | | | | : | v 1.45 1.34 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
D 5 | | | v : v 1.65 1.53 1.40 .
E 7 | | v 2.00 : 1.88 1.75 1.62 1.50 .
F 10 v v 2.24 2.11 : 1.98 1.84 1.72 1.58 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
G 15 2.53 2.42 2.32 2.20 : 2.06 1.91 1.79 1.65 .
H 20 2.58 2.47 2.36 2.24 : 2.11 1.96 1.82 1.69 .
I 25 2.61 2.50 2.40 2.26 : 2.14 1.98 1.85 1.72 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
J 35 2.65 2.54 2.45 2.31 : 2.18 2.03 1.89 1.76 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
K 50 2.71 2.60 2.50 2.35 : 2.22 2.08 1.93 1.80 .
L 75 2.77 2.66 2.55 2.41 : 2.27 2.12 1.98 1.84 .
M 100 2.80 2.69 2.58 2.43 : 2.29 2.14 2.00 1.86 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
N 150 2.84 2.73 2.61 2.47 : 2.33 2.18 2.03 1.89 .
P 200 2.85 2.73 2.62 2.47 : 2.33 2.18 2.04 1.89 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
.10 .15 .25 .40 : .65 1.00 1.50 2.50 .
------------- AQL (tightnened inspection) ----------- .
: .
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:
Sample size Sample ------------- AQL (normal inspection) ------------ .
code letter size 2.50 4.00 : 6.50 10.00 .
k k : k k alpha (%) .
---------------+------+-----+-----+------+-----+-----+-----+----------.
B 3 1.12 .958 : .765 .566 11 .
C 4 1.17 1.01 : .814 .617 10 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
D 5 1.24 1.07 : .874 .675 10 .
E 7 1.33 1.15 : .955 .755 10 .
F 10 1.41 1.23 : 1.03 .828 10 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
G 15 1.47 1.30 : 1.09 .886 9-9.1 .
H 20 1.51 1.33 : 1.12 .917 8-8.1 .
I 25 1.53 1.35 : 1.14 .936 7-7.1 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
J 35 1.57 1.39 : 1.18 .969 5.5-6.1 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
K 50 1.61 1.42 : 1.21 1.00 5 .
L 75 1.65 1.46 : 1.24 1.03 4 .
M 100 1.67 1.48 : 1.26 1.05 3 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
N 150 1.70 1.51 : 1.29 1.07 2 .
P 200 1.70 1.51 : 1.29 1.07 1 .
---------------+------+-----+-----+------+-----+-----+-----+----------.
4.00 6.50 :10.00 --- .
------------- AQL (tightnened inspection) ----------- .
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AQL values in percent defective
Arrows: use first sampling plan below arrow, ie., both sample size and k.
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alpha: calculated (approximately; not in the standard)
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