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Factors causing sampling error - Metrology & Quality Control
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Q. What are the factors causing sampling error?
- Published on 07 Aug 15
a.
method of sample selection
b.
sample size
c.
both a. and b.
d.
none of the above
ANSWER: both a. and b.
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Discussion
Sravanthi
-Posted on 27 Oct 15
- Sampling errors are caused if selected samples do not truly represent the lot. It is a high possibility of accepting bad lot and rejecting good lot.
- It affects the average quality of the accepted lot.
- Different factors causing sampling errors are:
1) Size of sample
2) Method of sample selection
3) Non homogeneity of lot
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