统计图是数据表示最常用的方式之一,由于它能直观反映数据的大小及其变化情况而备受人们的喜爱.常用的统计图有条形统计图、折线统计图和扇形统计图三种,它们各有各的特点和适用范围,在实际问题中要注意灵活、正确地选用.一、相对独立的数据一般采用条形统计图如果所要表示的数 Charts are one of the most commonly used methods for data representation. They are popular because people can intuitively reflect the size of data and their changes. There are three kinds of statistical graphs: bar chart, line chart, and fan chart. Each of them has its own characteristics and scope of application. In actual problems, it is necessary to pay attention to flexible and correct selection. First, relatively independent data generally adopts a bar chart if the number to be expressed.