单项选择题

下列统计量中,适用于分析两个定量变量间相关关系的是()

A.相关系数
B.离散系数
C.标准分数
D.偏态系数
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听力原文:M: The competition is increasingly fiercE.What shall we do next?W: If other companies lower their prices, we'll have to follow suit.Q: What does the woman suggest?(13)A.Producing the same suits as other companies.B.Doing the same as other companies have donE.C.Fighting against others by cutting down the cost.D.Working out other policies to compensate for the loss.
A.Producing
B.
B.Doing
C.
C.Fighting
D.
D.Working
E.
单项选择题
在诸多的风险管理的政策措施中做出选择,并具体实施与之相应的管理方法,这一步骤在于风险管理流程中的( )。
A.风险识别
B.风险权衡
C.风险控制
D.风险优化
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