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Variable control charts based on dagum distribution

Author Affiliations

  • 1Department of Basic Science, Shri Vishnu Engineering College for Women (Autonomous), Bhimavaram-534202, Andhra Pradesh, India
  • 2Department of Statistics, Department of Mathematics & Humanities, R.V.R &J.C College of Engineering, Guntur-522 019, AP, India

Res. J. Mathematical & Statistical Sci., Volume 7, Issue (3), Pages 43-50, September,12 (2019)

Abstract

In this paper, we are mainly interested in evaluated the percentiles of mean, median, range and mid-range, and also develop the control limits for those. Assuming that these statistic variable quality characteristic follows the well-known Dagum distribution. The power of the control limits and its adequacy is checked in comparison with those depend on the famous shewart limits using simulation and compares. The comparison between both the coverage probabilities approaches are calculated and compared.

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