TESTIMATION OF AVERAGE LIFE IN PRESENCE OF SUSPECTED OUTLIERS IN EXPONENTIAL LIFE MODEL UNDER ASYMMETRIC LOSS FUNCTION

  • Rakesh Srivastava Department of Statistics Faculty of science The M. S. University of Baroda VADODARA - 390 002
  • Vilpa Tanna P. & S. M. Department P. D. U. Medical College Rajkot - 360 001.
Keywords: Exponential model, scale parameter, outliers, asymmetric loss function, risk, life Ratio, risk ratio

Abstract

The present paper proposes a preliminary test estimator of average life (scale parameter) in two parameter exponential distribution in presence of suspected outliers. The risk properties of this testimator have been studied under asymmetric loss function and it is claimed that the proposed testimator dominates the never pool estimator (in terms of having smaller risk) in the whole range of life ratio considered here.

 

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Published
2011-11-25
Section
Articles