Accession Number : AD0785498

Title :   X bar and R-Charts through Biased Sampling.

Descriptive Note : Final rept.,

Corporate Author : ARMY MATERIEL COMMAND TEXARKANA TEX INTERN TRAINING CENTER

Personal Author(s) : Jones,Charles Kenneth

Report Date : APR 1974

Pagination or Media Count : 83

Abstract : A technique of using the rejected pieces from an automated, 100 percent, inspection station is developed for the purpose of obtaining control charts. Equations for the reject population mean and variance are developed and used for calculating X bar-charts and R-charts. (Modified author abstract)

Descriptors :   *Quality control, *Sampling, Inspection, Standard deviation

Subject Categories : Statistics and Probability
      Mfg & Industrial Eng & Control of Product Sys

Distribution Statement : APPROVED FOR PUBLIC RELEASE