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【多选题】
比较两个单位职工的工资资料发现,甲单位的标准差大于乙单位的标准差,甲单位的平均数小于乙单位的平均数,由此推断( )。A.
乙单位平均数的代表性大于甲单位的
B.
乙单位平均数的代表性小于甲单位的
C.
乙单位平均数的均衡性大于甲单位的
D.
乙单位平均数的均衡性小于甲单位的
E.
乙单位的标准差系数小于甲单位的
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举一反三
【单选题】The League secretary and monitor ______ asked to make a speech at the meeting.
A.
is
B.
was
C.
are
D.
were
【简答题】编程求 1*3*5*7*9 的值
【简答题】把下列句子由直接引语变成间接引语。 1. The secretary asked, 'Where are you working?' The secretary asked ______________________________________. 2. She said, 'I saw him last night.' She said ___________________________...
【简答题】编程求 1*3*5*7*9 的值。
【单选题】The secretary asked what my occupation was. The secretary asked, “What ___ ___ occupation?”
A.
is my
B.
was my
C.
was your
D.
is your
【单选题】The Students Union's secretary and monitor ______ asked to make a speech at the meeting.
A.
is
B.
was
C.
are
D.
were
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