statistical test sample

For the case of the reliability statistical test which is a small sample, this paper presents disadvantages of point and interval estimation of classical reliability.

本文针对小子样可靠性统计试验的特点，指出经典可靠性点估计和极大似然区间估计的不足。

Based on the condition, to adjust rank order with semiparametric method for statistical inference is more reasonable in two sample rank test.

根据这一情况，本文用半参数方法来校正秩次，使两组秩和检验的统计推断更为合理。

Special control software provides the group sample statistical analysis, test curve superposition analysis, as well as historical data comparison and so on the many kinds of practical function.

专业的操控软件提供了成组试样统计分析、试验曲线叠加分析、以及历史数据比对等多种实用功能。