Quality Management - Control Quality

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Quality Management - Control Quality

Postby Venkat Sun Jun 29, 2014 6:36 pm

What are attribute sampling and Variables Sampling? (PMBOK Page 250)
Read the Glossary but couldn't get it.

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Re: Quality Management - Control Quality

Postby namita Mon Jun 30, 2014 8:11 am

Hi Venkat,

So here is how I remember these two samplings.

Attribute Sampling - This is where we have put the limits and standardize the categories. If sample meet the attribute its under category one or two or three. E.g. Grading system in college for a course. If you are A (80+ scores), B (70-80) or C (60 - 69) etc..

Variable Sampling - In this we go deeper into the details. taking the same example, in case of attribute sampling, if someone has got 79 marks or if someone has got 70 they are at same level but if we take percentage that makes a difference. 70% marks are much lesser than 70%. in variable we go by % style of marking system. every detail counts

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