| 源码简介： |
SV学生成绩分析系统 关于相关指数的计算方法〉〉标准分∑(该班级与考学生的该科目成绩-该班该科平均分)^2 ，然后开根号！〉〉z分数(该班级该科平均分-该班级该科平均分)/该班标准分-SV student performance analysis system for the relevant index is calculated > > standard score (the class with students of the subject test scores- the class of the Section average) ^ 2, and then open the root! > > Z score (the average of the Section class- the class of the Section average)/standard scores in the class
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