九年义务教育三年制初中《代数》第三册(人民教育出版社 ,2 0 0 1年 12月版 ,以下简称《代数》)引入了“统计初步”知识 ,这部分内容虽然比较浅显 ,但学生学习时也容易犯错误 .本文将结合教学实践指出学生易犯的错误 ,并予以澄清 .1　 对“个体”认识不清关于“个体”,《代数》 The three-year compulsory education three-year junior middle school algebraic book (People’s Education Press, December 2001 edition, hereinafter referred to as “Algebra”) introduced the “statistical preliminary” knowledge. Although this part is relatively simple, However, it is also easy for students to make mistakes when they are learning. This article will combine the teaching practice to point out the mistakes that students tend to make and clarify them. 1 There is no clear understanding of “individuals” about “individuals” and “algebra”.