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Technometrics Volume 16, 1974 - Issue 3
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Original Articles

Potential Pitfalls of Portable Power

Kimiko O. Bowman Union Carbide Corporation, Nuclear Division, Oak Ridge, Tennessee
&
Marvin A. Kastenbaum Tobacco Institute, Washington, DC
Pages 349-352 | Published online: 09 Apr 2012
 
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Abstract

Wheeler [6] proposes simple formulas for quickly determining the sample sizes necessary to achieve a prescribed power. We find Wheeler's evaluation lacking in accuracy because of his application of a linear approximation to quadratic formulas. Therefore, “portable power” is potentially harmful to the experimenter who may not be knowledgeable in the theory.

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