2019年春七年级数学下册第6章数据与统计图表6.4第2课时频率课件新版浙教版20190119246.pptx

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第6章 数据与统计图表,第2课时 频率,学知识,筑方法,勤反思,知识点 频率,6.4 频数与频率,学知识,D,6.4 频数与频率,50,类型一 频数与频率,筑方法,6.4 频数与频率,6.4 频数与频率,6.4 频数与频率,6.4 频数与频率,类型二 频率在实际生活中的应用,6.4 频数与频率,6.4 频数与频率,6.4 频数与频率,小结,勤反思,频率,两种主要形式,各组频数与样本容量的比,样本容量、频数、频率之间的关系,某个事件重复出现的次数与实验总次数的,6.4 频数与频率,

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