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【简答题】
一个由容量为 209的样本估计的解释CEO薪水的方程为: (15.3) (8.03) (2.75) (1.775) (2.13) (-2.895) 其中 ,Y表示年薪水平(单位:万元), X1 表示年收入 (单位:万元), X2 表示公司股票收益 (单位:万元); D1、D2、D3 均为虚拟变量 ,分别表示金融业、消费品工业和公用事业。假设对比产业为交通运输业。 (1 )保持 X1 和 X2 不变,计算公用事业和交通运输业之间估计薪水的近似百分比差异。这个差异在 1%的显著性水平上是统计显著吗? ( 2)消费品工业和金融业之间估计薪水的近似百分比差异是多少?
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summon
B.
convey
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impose on
D.
affect
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C.
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B.
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C.
Jack didn't pass, although he had tried his. best.
D.
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mustn’t
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shan’t
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needn’t
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D.
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