2018_2019学年七年级数学上册第六章数据的收集与整理6.4统计图的选择(第1课时)课件(新版)北师大版.ppt

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4 统计图的选择,第一课时,1.条形统计图能清楚地表示出每个项目的 . 2.折线统计图能清楚地反映事物的 . 3.扇形统计图能清楚地表示出各部分在总体中 .,具体数目,变化情况,所占的百分比,1,2,3,4,答案,1.(2017内蒙古通辽中考)空气是混合物,为直观介绍空气各成分的百分比,最适合用的统计图是( ). A.折线图 B.条形图 C.直方图 D.扇形图,1,2,3,4,答案,2.(2017安徽合肥蜀山区一模)蜀山区3月中旬每天平均空气质量指数(AQI)分别为118,96,60,82,56,69,86,112,108,94,为了描述这10天空气质量的变化情况,最适合用的统计图是( ). A.折线统计图 B.频数直方图 C.条形统计图 D.扇形统计图,1,2,3,4,答案,3.小明统计一星期用于完成语文、数学、英语、物理和化学作业的时间,列出下表:宜选择( )统计图进行统计. A.条形 B.扇形 C.折线 D.条形和折线,1,2,3,4,答案,4.(2017广西钦州钦南区期末)某校七(2)班在订购本班的班服前,按身高型号进行登记,对女生的记录中,身高150 cm以下记为S号, 150160 cm以下记为M号,160170 cm以下记为L号,170 cm以上记为XL号.若用统计图描述这些数据,则合适的统计图是 .,

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