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【多选题】
离散系数可用于刻画数据的离散程度，它的适用情形是（ ）A.
平均数不同的不同组别的变量值
B.
需要计算某个数据在该组数据中的相对位置时
C.
计量单位不同的不同组别的变量值
D.
用来比较不同组别变量的离散程度的绝对大小时
E.
用来比较不同组别变量的相对变化程度
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A.
Bus drivers have priority over car drivers.
B.
Commuters protest against Zurich's measures.
C.
Pedestrians are not allowed to use underpasses.
D.
Cars are forbidden to enter Zurich's squares.
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A.
A特定账户分类原则
B.
B复式记账原则
C.
C市场价格原则
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D单一记账货币原则
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A.
A特定账户分类
B.
B复式记账
C.
C市场价格
D.
D单一记账货币
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