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【单选题】
在组距数列中，用组中值作为计算算术平均数直接依据的假定条件是( )。A.
各组次数必须相等
B.
各组必须是闭口组
C.
总体各单位变量值水平相等
D.
总体各单位变量值水平在各组内呈均匀分布
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举一反三
【单选题】Suppose that you own a house. What is the opportunity cost of living in the house?
A.
There is no opportunity cost because you own the house.
B.
There is no opportunity cost unless you could set up a business in the house.
C.
The opportunity cost is the rent you could have received from a tenant if you didn't live there.
D.
The opportunity cost is the cost of your monthly mortgage payment plus bills.
【单选题】Consider the following statements about the budgeting process (1) The top-down approach which is set without permitting the ultimate budget holders to have the opportunity to participate in the budget...
A.
2 only
B.
1 and 2
C.
2and 3
D.
1only
【单选题】In the banking industry, bank managers rarely ____ the opportunity to set-up fly-by-night schemes.
A.
deny
B.
miss
C.
set
D.
develop
【简答题】( )将金属物放在蓄电池壳体上。A. 4
【判断题】The opportunity set of portfolios isall possible risk-return combinations of those securities.
A.
正确
B.
错误
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