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41.
Summary In this paper, we provide some pivotal quantities to test and establish confidence interval of the shape parameter on the
basis of the firstn observed upper record values. Finally, we give some examples and the Monte Carlo simulation to assess the behaviors (including
higher power and more shorter length of confidence interval) of these pivotal quantities for testing null hypotheses and establishing
confidence interval concerning the shape parameter under the given significance level and the given confidence coefficient,
respectively. 相似文献
42.
We consider the problems of testing a normal mean and an exponential mean under the median ranked set sampling (MRSS) scheme. The tests based on MRSS outperform those based on the usual ranked-set samples. In addition, through heuristic arguments we postulate working formulas for computing cut-off points for RSS-based and MRSS-based tests, respectively. Our simulation studies indicate these formulas perform surprisingly well, even for small samples, and solve the task of computation for large samples. 相似文献