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。
Some statistical test methods on "fat tail" distribution of time series are obtained by using properties of extreme value theory and extreme index estimator under large sample.
使用极值理论和极值指数估计量的性质,在大样本的情况下得到序列分布“肥尾”现象的检验方法。
The sample with the trend function rejected is a stationary random sequence of a sample. This stationary random sequence is fitted in with the ar (3) model and a statistical test is put to this model.
从样本中剔除趋势后是平稳随机序列的一段样本,对该平稳序列用AR(3)模型进行拟合,并对模型进行统计检验。
Statistical analysis was carried out for the sample data measured by a speedometer test bed, and corresponding mathematical models were established.
对车速表试验台检测所获得的样本数据进行统计分析,建立相应的数学模型,模型计算与样本实测数据计算结果高度吻合。
Then, data are collected from the sample and statistical analyses are conducted to test the hypotheses addressed above.
最后,通过问卷设计和问卷调查,建立回归模型,采用定量分析对所提出的假设进行检验。
According to analysis procedure of homogeneity, 15 bottles of sample were randomly taken from 150 bottles, and the results were validated by F test statistical methods.
样品分装成 150瓶样品后, 采用高效液相色谱 – 紫外检测法进行均匀性、 稳定性检验和定值分析。
According to analysis procedure of homogeneity, 15 bottles of sample were randomly taken from 150 bottles, and the results were validated by F test statistical methods.
样品分装成 150瓶样品后, 采用高效液相色谱 – 紫外检测法进行均匀性、 稳定性检验和定值分析。
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