Argument About the Role of IDC State Sort in Analysing the Students' Marks
Chang Zhen-jiang · Journal of Liaoning Normal University · 2002
This paper points out that application of IDC state sort to analysis of the students' marks is not right;according to the logic thought of artical,the shape of marks distribution curve will be V.This paper regards Pearson χ 2-statistic as the theory of inspection,analyses examples of artical and the conclution is that marks distribution obeyed Gaussion distribution.