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。
Using statistical methods to calculate the Angle interval mean and variance of pixels to centroid distance of the normalized gait silhouette images, and construct them as a feature vector.
用统计学的方法，等角度间隔地计算归一化步态轮廓图像各像素点至质心距离的均值与方差，并用其构造步态识别的特征向量。
The statistical distribution of these interval times is poorly identified even in this, the best of cases.
这些间隔时间的分布，即便在这种最好的例子中，其识别也较差。
They then performed statistical analyses to discover odds ratios (or) with a 95 percent confidence interval.
然后他们进行数据统计，寻找95%的优势比。
Methods The statistical description of fertility rate, age at first marriage, age at first birth, interval between marriage and first birth, birth interval.
方法应用描述性统计方法分析生育率、初婚初育年龄、婚育间隔、生育间隔和出生性别比及其变化趋势。
PR interval and QT interval were slightly longer in the test group, but no statistical significance was attained.
试验组PR间期和QT间期稍长于对照组，但无显著统计学差异。
PR interval and QT interval were slightly longer in the test group, but no statistical significance was attained.
试验组PR间期和QT间期稍长于对照组，但无显著统计学差异。
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