Sampling plans for an
inverse Gaussian
variable
Calculates sampling plans, (
n
,
k
), for use in
acceptance sampling
of a given
inverse Gaussian
variable.
2024.Nov.25 05:43:52
AQL,
α
both in "%"
AQL,
α
.
LTPD,
β
both in "%"
LTPD,
β
(10 %).
L
Lower Specification Limit.
λ
Parameter
λ
(if known).
Calculates the sampling plan, ie.,
n
and
k
, sample size and acceptability constant, for which it will be
Q
≥
k
, with
Q
= (
x
bar
−
L
) ⁄ (
x
bar
r
√
L
), with
r
² = 1⁄(
n
− 1) × Σ(1⁄
x
i
− 1⁄
x
bar
)
For
λ
known and unknown, respectively, it is:
;
with
k
=
k
λ
;
References:
Plate: IGsp041006
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Aminzadeh
http://web.ist.utl.pt/~mcasquilho/compute/qc/Fx-iGsamplan.php
Created:
2004-10-06 —
Last modified:
2009-02-03
