Need help with deciding sample n sub sample. size for nested design(DOE)
From: shanky (shankardasm_at_bluebottle.com)
Date: 10/23/04
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Date: 23 Oct 2004 08:52:08 -0700
Hi Guys:
I am doing a nested design experiment. I know the amount it is going
to cost me to have 1 subsample within the sample tested(example $5).
Also I know the total amount i have for conducting tests(example
$1000).
The criteria for making the decision is variablity should not be more
than +/- 0.2 units. There are 2 suppliers. I want to decide upon the
supplier.
I would like to know how should i calculate the number of samples from
each supplier and the subsamples within each sample for each supplier.
I just know that Supplier* Sample*Sub sample= (1000/5).
Thanks in advance.
Kind regards;
Shankardas
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