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Variation Research - A Practical Method of Significance Testing in Fatigue
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English
Abstract
The testing of materials involves the evaluation of the contributions made by various factors to the quality of a product. To say that a factor is important, we must have a sound statistical basis. If a factor is irrelevant, we must also have a firm basis for saying that it is. The technique of variation research makes use of probability paper plots and demonstrates the statistical ideas of significance in a fashion easy to understand and easy to interpret. An exposition of the main points of variation research in materials testing is the purpose of this presentation.
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Citation
Johnson, L., "Variation Research - A Practical Method of Significance Testing in Fatigue," SAE Technical Paper 640163, 1964, https://doi.org/10.4271/640163.Also In
References
- Johnson L. G. “The Median Ranks of Sample Values in their Population with an Application to Certain Fatigue Studies,” Industrial Mathematics 2 1951 1 9
- Johnson L. G. “Theory and Technique of Variation Research,” New York Elsevier Publishing Co. 1964 34