Quality control investigator: Upon testing samples of products from our supplier that were sent by our field inspect...

Melissa on December 14, 2022

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Hello, Would this be an example of a biased sample?

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Emil on December 15, 2022

It is indeed! The sample includes items that were sent by the inspectors, and the author uses that information to conclude that the rate of defect was high among all items, not just those chosen by inspectors.