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（江西专用）2019中考数学总复习第一部分教材同步复习第八章统计与概率第29讲数据的分析权威预测.doc

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1第一部分 第八章 第 29 讲1在庆元旦文体活动中，小东参加了飞镖比赛，共投飞镖五次，投中的环数分别为5,10,6， x,9.若这组数据的平均数为 8，则这组数据的中位数为( D )A5 B10 C6 D92某组数据按从小到大的顺序排列如下：2,4,8， x,10,14.已知这组数据的中位数是9，则这组数据的众数是 10.

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