【摘要】 在区间估计问题中,置信区间的精度与置信度是一对矛盾,置信区间的精度与置信度同时又与样本容量相关联。讨论对于给定的样本,当置信区间的置信度确定时,如何尽可能地提高置信区间的精度以及如何通过样本容量的调节,使置信区间的精度能达到预先的要求。更多还原

【Abstract】 In interval estimation,the accuracy and estimation rate of interval estimation are contradictory and both of them are related to the sample size.The present paper discusses how to improve the accuracy of interval estimation so as to attain the previous requirement when the estimation rate of interval estimation is certain for the given sample.更多还原