统计图表在日常生活和工农业生产中有着广泛的应用,用统计图表设计的信息题是近年来中考数学的一个热点题型,现举例说明常见的统计图表的类型与解法. 一、折线统计图图形特点:用折线直观地反映数据的变化情况. 例1 今年,在我国内地发生了“非典型肺炎”疫情,在党和政府的正确领导下,目前 Statistical charts have a wide range of applications in daily life and industrial and agricultural production. The information title designed with statistical charts is a hot topic type of mathematics in recent years, and examples now illustrate the types and solutions of common statistical charts. Graphical features: Visually reflect changes in data using broken lines. Example 1 This year, an outbreak of SARS occurred in the Mainland of China. Under the correct leadership of the Party and the government,