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fang cha ru ci ding yi wei na ban
Author(s): 
Pages: 61-63
Year: Issue:  6
Journal: ZHONGXUE SHUXUE ZAZHI(GAOZHONG BAN)

Abstract:  1 问题 高三概率复习课堂上,笔者出示2009年广东卷文科概率统计题:随机抽取某中学甲乙两班各10名同学,测量他们的身高(单位:cm),获得身高数据的茎叶图如图1.
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