三年级数学下册3《复式统计表》简单的数据统计同步精练新人教版.doc

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1简单的数据统计一、食堂运来 5袋煤,它们的重量分别是 99千克、104 千克、110 千克、96 千克、101 千克。求平均每一袋煤重多少千克?二、下面是三(3)班第一小组男生立定跳远成绩统计表。姓名 李继 黄立 娄想 周北华 毛万里 杨欣成绩厘米164 159 147 183 170 166请你把统计图补充完整。三(3)班第一小组男生立定跳远成绩统计表1.从中你可以获得哪些信息?2.如果有一名男生的成绩可以在组里排第 5名,他的成绩可能是多少厘米?(整厘米数)3.如果体育老师在这个小组里点出三名同学,让他们多加强训练,那么这三名同学最可能是谁?2三、有四棵杏树,每棵产量如下表:(单位千克)杏树编号 平均每棵产量 98 80 76 82 84()平均每棵的产量是多少?()产量最多的比产量最小的多多少千克?参考答案一、(9910411096101)500100(千克)二、 (统计图略)1. 周华跳得最远,娄想跳得最近。 (合理即可)2. 160 厘米、161 厘米、162 厘米或163 厘米。3. 李继、黄立和娄想。三、杏树编号 平均每棵产量 98 80 76 82 84()(9880768284)4=84(千克)()9876=22 (千克)3

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