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Topic History of : Sampling: Attribute vs variable

Max. showing the last 6 posts - (Last post first)
3 years 3 months ago #11713

Santhakumar

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I guess the answer for this question is indeed "attribute' sampling . But the reason for that would be the mentioning of "found that the samples conform to the quality ", which indicates a "Yes" decision based on a "Yes " or "No" analysis.
7 years 9 months ago #3109

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“If a project manager measured several samples from a production match and found that the samples conform to the quality standard, just based on that information how can you determine if it is a variable sample method or attribute?”

This information is not sufficient to determine whether the project manager has used attribute or variable sampling.

If the conformance to quality was measured as “yes” or “no”, then it was attribute sampling. If true measures were taken (e.g., actual heights, weights etc.) then it was variable sampling.

I don’t see such a vague question appearing on the real PMP. But if it does, then I would go for attribute sampling due to two reasons:

1. First, it is not clear that the variable sampling was done.
2. Usually quality control either accepts or rejects the items being examined

So, in my opinion, attribute sampling is the best answer in this situation. However, let me again reiterate, the question is vague and more information is required to exactly determine the type of sampling used.

Regards,

Khurram
7 years 9 months ago #3106

Edward Wada

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Can you help clarify, sampling using variable or attribute method?

If a project manager measured several samples from a production match and found that the samples conform to the quality standard, just based on that information how can you determine if it is a variable sample method or attribute?

Thank you.

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