2019年春七年级数学下册第十章数据的收集、整理与描述10.1第1课时全面调查课件(新版)新人教版.pptx

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1、第十章 数据的收集、整理与描述,10.1 统计调查,知识点1 调查问卷的设计1. 在设计调查问卷时,下面的提问比较恰当的是( D ) A.我认为猫是一种很可爱的动物 B.难道你不认为科幻片比武打片更有意思 C.你给我回答到底喜不喜欢猫呢 D.请问你家有哪些使用电池的物品,知识点2 全面调查 3. 下列调查中,最适合采用全面调查( 普查 )的是( D ) A.对我市中学生每周课外阅读时间情况的调查 B.对我市市民知晓“礼让行人”交通新规情况的调查 C.对我市中学生观看电影厉害了,我的国情况的调查 D.对我国首艘国产航母002型各零部件质量情况的调查 4.以下问题,不适合用全面调查的是( B )

2、A.了解全班同学每周体育锻炼的时间 B.鞋厂检查生产的鞋底能承受的弯折次数 C.学校招聘教师对应聘人员面试 D.黄河三角洲中学调查全校753名学生的身高,10. 为完成下列任务,可否采用普查方式?试说明理由. ( 1 )了解你们班同学周末时间是如何安排的; ( 2 )了解一批空调产品的合格率; ( 3 )了解各饭店一次性筷子的使用情况; ( 4 )了解中央电视台新闻联播节目的收视情况; ( 5 )了解某烟花爆竹厂生产的烟花爆竹的合格率.,解:( 1 )调查的人数较少,宜普查. ( 2 )调查具有破坏性,不宜普查. ( 3 )调查工作量大,不宜普查. ( 4 )调查的范围大,人数多,不宜普查. ( 5 )调查具有破坏性,不宜普查.,解:( 2 )图略. ( 3 )为了节约和保护环境请同学们尽量不要乘坐私家车上学.( 答案不唯一 ),

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