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在期末考试中,某同学的语文、数学成绩均为80分,英语成绩为75分。已知全班三科平均成绩都为65分,语文标准差为10,数学标准差为15,英语标准差为5。请将这三科的成绩按照由大到小的顺序进行排列。

问答题
2022-04-02 14:52
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正确答案
语文成绩的标准分数(80-65)/10=1.5
数学成绩的标准分数(80-65)/15=1
英语成绩的标准分数(75-65)/5=2
三科成绩从大到小:英语、语文、数学

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