Confidence intervals show the likelihood a data range contains the true mean, aiding investment decisions. A wider interval suggests lower estimate accuracy, influencing market and risk analysis ...
Estimation procedures and confidence intervals are given for the median and mean survival time in the proportional hazard regression model. For median survival, the methods apply to censored data. The ...
Small samples with censored data, when analyzed by large-sample methods, yield confidence intervals that are too short. This article presents tables for exact confidence limits for the parameters of a ...
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