[公告] 誠心發問
有一物體重60kg,拿甲乙兩磅秤量他,甲磅秤量了10次平均值是58,標準差是0.1
乙磅秤量了10次平均值是59,標準差是0.2
想請問說哪個磅秤比較好...........
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到底是哪一個啊 我快受不了了
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