The indexes were compared with the t test and rank sum test.

采用配对t检验、秩和检验对各组各项指标进行比较。

Data were analyzed by rank sum test and Spearman correlation test.

资料采用秩和检验和等级相关分析的统计学处理方法。

Methods the quality control in holistic nursing in 18 departments of the hospital was evaluated by rank sum test.

方法利用秩和比法对我院18个开展整体护理科室的各项护理质量进行综合评价。

The research on nonlinear regression, weight methods, standard curve, three periods ANOVA, rank sum test, was accomplished.

完成了非线性拟合与加权计算方法、标准曲线、三周期方差分析、秩和检验等研究工作。

The rank sum test is an important non parametric statistical method that can be used to analyze experimental data in animal ecology.

秩和检验法是非参数统计法中的一种重要方法，是对成组数据t 检验的一个补充。