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數據10,10,x,8的眾數與平均數相同,可知眾數為10,則平均數也為10,(10+10+x+8)÷4=10,求得x=12.將這組數據從小到大重新排列後為:8,10,10,12;最中間的那兩個數的平均數即中位數是10.故填10.
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