众数是28,中位数是26.5
28 22 25 21 28 29 24 28 种众数是〔 〕中位数是〔 〕
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相关问题
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28 27 26 30 28 31 25 28 30 29,这组数据的中位数是( ),众数是( ),平均数是( ).
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17 18 19 20 21 22 23 24 25 26 27 28 29 30
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