My Reading on ASQ CQA HB Part V Part 2
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Charlie Ch<strong>on</strong>g/ Fi<strong>on</strong> Zhang<br />
<strong>Part</strong> VE<br />
Sampling<br />
Sampling is the practice of taking selected items or units from a total populati<strong>on</strong> of items or units. The method<br />
and reas<strong>on</strong> for taking certain samples or a certain number of samples from a populati<strong>on</strong> should be based <strong>on</strong><br />
sampling theory and procedures. Samples may be taken from:<br />
• the total populati<strong>on</strong> or universe, or<br />
• the populati<strong>on</strong> may be separated into subgroups called strata.
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