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author's profile photo Former Member
Former Member

Inspected sample size difinition

Hello all,

How can i define sample size by characteristics in my control plan?

Example: I need that in one lot with 1000 units, my inspected sample size is 1 unit.

Thanks

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  • author's profile photo Former Member
    Former Member
    Posted on Oct 11, 2010 at 06:07 PM

    How can i define sample size by characteristics in my control plan?

    This in only depends upon the sampling procedure.The sample size of the inspection lot is generally derived from the sampling procedure.The sampling type & sample determination define the sample size.

    Example: I need that in one lot with 1000 units, my inspected sample size is 1 unit.

    Lets consider this case then you can use the fixed sampling like size=1.then irrespective of lot size sample size will always be 1.You have to assign the sample size to all the char in the Inspection plan.

    Like wise there are percentage sampling ,100% sampling & sampling scheme....

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    • Former Member

      Thanks

      My problem is that i don't want to use a sampling procedure because i don't want record the number of samples good or bad.

      What I want is to record the test result but I need the system limit the number of possible entries. Now system give a posibility to registe a number of outcomes equal to the lot size.

      Example:

      Characteristic: % CO2 (0 - 100)

      Lot size: 1000 units

      Number of results options to record: 3

      Thanks

  • Posted on Oct 12, 2010 at 04:35 AM

    Dear JN

    1) Try using Summarised recording in MIC so that you need not enter results as per the lot size. If you choose this option whatever may be the lot size you can enter only one value in the Result recording

    2) if you want to keep option of entering the results as per your need select single recording and in Scope keep it larger. But you will have to enter sampling procedure with sample

    Please come back if you have any doubts

    Regards

    Gajesh

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