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=70件,=5.6件,乙车间:=90件,=6.3件,哪个车间日加工零件的离散程度较大()">甲乙两个车间工人日加工零件数的均值和标准差如下:甲车间:=70件,=5.6件,乙车间:=90件,=6.3件,哪个车间日加工零件的离散程度较大()
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，产品价格P=10，从短期看，该企业利润最大化产量为（）。">在完全竞争的市场中，一家企业的总成本为，产品价格P=10，从短期看，该企业利润最大化产量为（）。
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