chi square method

In this section, we use factor model to estimate funds performance, and prove sustainability of bond funds performance with regression method, Pearson correlation method, Spearman correlation method and chi square test.

本文运用因子模型进行了债券型基金的绩效评估，并通过回归法、Pearson相关系数、Spearman相关系数以及Yates修正下的卡方检验法来证明基金绩效存在可持续性。

Chi-Square method was used to compare the variables of the two groups.

我们利用卡方方法来统计两组间数据的差异。

McNemar Chi square test was only indicated for b+ c20, when b+ c ≤ 20, the method of exact probability introduced by this article should be considered.

结论：McNemar卡方检验方法仅适于b＋c＞20情形，当b＋c≤20时宜用本文介绍的精确概率方法：或通过公式计算或直接查表。

Then, we describe the time distribution of practical overtime by chi-square distribution. After deducing the wage-output efficiency, we take it as the assessing standard of wage-pricing method, and find the optimization model with which the optimal wage-pricing is satisfied.

然后应用X2分布描述了加班时实际工作时间的分布，得出了工资产出效率，以此作为工资定价的评价标准，导出了最优工资定价方案满足的优化模型。

In order to avoid information loss caused by misapplication of ordinary Chi-square test in data analysis for the ordered contingency table, a method of linear tendency Chi-square test was proposed.

为避免常规x~2检验对有序分类表数据分析的误用所导致的信息丢失，提出线性趋势x~2检验。