用Χ~2适合性检验分析百分制考试成绩

To Analyze Test Scors in Hundred-mark System by Χ~2 Compatibility Test

提出Χ2 适合性检验中的“成绩正态分布”吻合检验问题 ,指出在对学生成绩这一特殊总体除了进行Χ2 检验外 ,还要对其均值和标准差作适当限制 ,从而使检验法更加完善 ,更具有实际意义 .

This paper pressents “The Test Score Gaussian Distribution ” when Χ 2 Compatibility Test is used in the test, points out that the students' score should be tested by Χ 2 and its mean value and standard difference should be limited as well. so that the test method can be perfected and becomes more practical.