摘要
平均数是一种常见的综合指标,根据其研究现象的时间状况不同,分为一般平均数和序时平均数.在教学过程中学生反映对平均数的分类、计算等难以掌握的内容,本文从实际教学出发作了一些探讨.
Average numbers arc normal aggregative indexes which can be divided into two types, ordinary average and chronological average. In this article we study all kinds of average numbers to overcome some difficulties meet by some students.
出处
《青海师专学报》
2008年第5期32-35,共4页
Journal of Qinghai Junior Teachers' College
