Improved Estimation of Expected Life When One Identified Spurious Observation May Be Present
可能含一个已标识异常观测时的期望寿命改进估计AI 解读 ↓
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可能含一个已标识异常观测时的期望寿命改进估计AI 解读 ↓
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A modified life testing model is defined where the sample contains at most one “identified” spurious observation whose expected life is greater than that of the others which form a homogeneous group. Various estimators of the smaller expected life are considered and definitive preference relationships among them are established using the mean squared error criterion. The case where the expected life of the spurious observation is smaller than that of the others is also considered. Many of these estimators may be viewed as procedures which incorporate a preliminary test of significance.