【摘要】 根据学生分数服从正态分布的特点 ,给出了用正态分布划分学生学习成绩等级的方法更多还原

【Abstract】 This paper introduces an approach to assessment of students’ academic performance, in light of the normal distribution of student’s grades. This approach is based on the characteristic at the normal distribution of students’ grades and the principles of probability theory. This approach is a reliable, rational, and efficient scientific approach.更多还原