Plotting Experimental Data on Normal or Log-Normal Probability Paper

Article

Ferrell, Enoch B.   (1958, ASQC)   Bell Telephone Laboratories, Inc.

Industrial Quality Control    Vol. 15    No. 1
QICID: 4334    July 1958    pp. 12-15
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Article Abstract

This article discusses the use of normal and log-normal probability graph paper plotting experimental data having normal and skewed distributions. Yankees and Giants batting averages are used as an example of normal distribution; transistor currents for skewed distribution. A new concept of limits is introduced to describe the dispersion on skewed distributions.

Keywords

Statistical process control (SPC)


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