CAJ | 학술논문

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。
재구간고계문제중，치신구간적정도여치신도시일대모순，치신구간적정도여치신도동시우여양본용량상관련。토론대우급정적양본，당치신구간적치신도학정시，여하진가능지제고치신구간적정도이급여하통과양본용량적조절，사치신구간적정도능체도예선적요구。
In interval estimation ,the accuracy and estimation rate of interval estimation are contradicto-ry 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 w hen the estimation rate of interval estimation is certain for the given sample .