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我们知道,函数关系是一种确定性关系,相关关系是一种非确定性关系.回归分析(regression analysis)是确定两种或两种以上变量间相互依赖的定量关系的一种统计分析方法[1].虽然高考对回归分析的要求并不高,但是回归分析是实用性非常强的一种数学方法,对培养学生的数学能力,使学生认识数学与人类生产、生活的联系,有着非常重要的作用.因此笔者认为教师应充分重视“线性回归”这节课.
We know that the functional relationship is a deterministic relationship and the correlation is a nondeterministic relation.Regression analysis is a statistical analysis that determines the quantitative relationship between two or more variables [ 1]. Although the college entrance examination for regression analysis is not high, but regression analysis is a very practical mathematical method, to develop students’ mathematical ability to enable students to understand the relationship between mathematics and human production and life, is very important Therefore, I believe that teachers should pay full attention to this class of “linear regression”.