“数据的收集、整理、描述”这一章是整个初中数学统计知识的基础,所以各地中考关于这章内容的命题基本都依托日常生活背景,利用统计图表呈现数据,来考查同学们的读图作图能力、数据处理能力.下面根据本章的知识点列举一些典型的中考题.一、简单的读图和计算例1(2014·扬州)如图1,某校根据学生上学方式的一次抽样调查结果,绘制出一个未完成的扇形统计图,若该校共有学生 The chapter “Collecting, Sorting and Describing Data” is the basis of mathematical statistics in the whole junior high school. Therefore, the propositions of the examinations in this section are based on the daily life background and the statistical data are used to examine the students’ Read the chart drawing ability, data processing capacity. The following according to the knowledge of this chapter to list some of the typical test questions. A simple reading and calculation Example 1 (2014 Yangzhou) Figure 1, a school based on the way students go to school Sample survey results, drawn an unfinished sector chart, if the school has a total of students