Abstract

Andre and Fred discuss this all too common question.

Key Points

Join Andre and Fred as they discuss the very common question “how many samples?”. While the statistical formulas give us a number we often have to consider the many constraints to find the right number.

• There are plenty of formulas, yet that is just a start
• Consider costs, risks, precision, variation
• What is the question the test is evaluating?

Note: We recorded this session while at RAMS, actually sitting together in hotel lobby cafe, thus a there is some background noise.

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SOR 058 How Many Samples to TestAndre Kleyner

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Show Notes

links to sites, articles or episodes mentioned

Three Elements of Sample Size Concerning Decision Making (article)