《全日制义务教育数学课程标准》(实验稿)(以下简称《标准》)明确要求学生“经历运用数据描述信息、作出判断的过程,发展统计观念”。现代社会的公民越来越需要与数据打交道,对数据的收集、整理和分析能力已成为每一位公民的基本素养之一。“某地受灾面积40%”、“今天降水概率 The “Full-time Compulsory Education Mathematics Curriculum Standards” (experimental draft) (hereinafter referred to as the “Standard”) clearly requires that students “experience the use of data to describe information, make judgments, and develop statistical concepts.” Citizens in modern society increasingly need to deal with data. The ability to collect, sort and analyze data has become one of the basic literacy of every citizen. “40% of the area affected by a disaster” and "the probability of today’s precipitation