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上一讲介绍了两种适用于成对资料差别的显著性检验的简易统计方法,这一讲再介绍两种。三、等级和(秩和)检验等级和检验用于两组资料的差别显著性检验,其计算步骤为:1.将两组数据混合,由小到大排列后编上等级(相同数值取平均等级);
The previous lecture presented two simple statistical methods that apply to the significance test of paired data differences. Third, the level and (rank sum) test level and test for the two groups of significant difference test, the calculation steps are: 1. The two sets of data mixed from small to large rankings compiled rank (the same average value grade);