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【单选题】
在其他条件不变时,下列关于标准差和样本含量的说法,正确的是A.
随着样本含量增大,样本标准差一定减小
B.
随着样本含量增大,样本标准差一定增大
C.
通过样本含量变化无法判断样本标准差的变化
D.
样本标准差不随样本含量的变化而变化
E.
总体标准差随样本含量的变化而变化
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反馈参考答案：
举一反三
【单选题】For decision making, a listing of the relevant costs:
A.
will help the decision maker concentrate on the pertinent data
B.
will only include future costs
C.
will only include costs that differ among alternatives
D.
All of these answers are correct.
【单选题】184 The following types of costs are relevant to making a financial decision except:
A.
opportunity costs
B.
direct costs
C.
sunk cost
D.
unavoidable costs
E.
None of the above
【单选题】The following types of costs are relevant to making a financial decision except:
A.
. opportunity costs
B.
. direct costs
C.
. sunk cost
D.
. unavoidable costs
E.
. None of the above
【单选题】Which costs will change with a decrease in activity within the relevant range?
A.
total fixed costs and total variable cost
B.
unit fixed costs and total variable cost
C.
unit variable cost and unit fixed cost
D.
unit fixed cost and total fixed cost
【单选题】In flexible budgets, costs that remain the same regardless of the output levels within the relevant range are:
A.
Fixed costs
B.
Budgeted costs
C.
Allocated costs
D.
Variable costs
【单选题】When factory has spare capacity, the fixed costs are relevant in respect to the additional order.
A.
正确
B.
错误
【单选题】102 The following types of costs are relevant to making a financial decision except:
A.
opportunity costs
B.
direct costs
C.
sunk cost
D.
unavoidable costs
E.
None of the above
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