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Journal of Statistical Computation and Simulation Volume 60, 1998 - Issue 3
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Original Articles

An exact test for hnbue class of life distributions

M. Hendi Department of Statistics, O.R., King Saud University, Riyadh, Saudi Arabia
,
H. Al-Nachawati Department of Statistics, O.R., King Saud University, Riyadh, Saudi Arabia
,
M. Montasser Department of Statistics, O.R., King Saud University, Riyadh, Saudi Arabia
&
I. Alwasel Department of Statistics, O.R., King Saud University, Riyadh, Saudi Arabia
Pages 261-275 | Received 27 Mar 1997, Published online: 20 Mar 2007
 
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Abstract

This paper introduces an exact test for testing H 0: F is exponential against H 1: F is harmonic new better than used in expectation (HNBUE) or F is harmonic worse than used in expectation (HNWUE) on complete data. Selected critical values are tabulated for sample size n = 5(1)60. An asymptotic test is made available for large values of n. The standard normal table can be used for the above testing problem. Power of the test is estimeted by simulation. The problem when right censored data is available is also handled. An example of 81 patients of melanoma disease demonstrates the practical application of the proposed test in medical Sciences.

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