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【多选题】
对一些企业按计划完成程度不同分为三组:第一组为80%-100%,第二组为100%-120%,第三组为120%以上,则会A.
若将上述各组组别及次数依次排列,就是变量分布数列
B.
该数列的变量属于连续变量，所以相邻组的组限必须重叠
C.
此类数列只能是等距数列，不能采取异距数列
D.
各组的上限分别为80%、100%、120%，某企业计划完成100%应归第一组
E.
各组的下限分别为80%、100%、120%，某企业计划完成100%应归第一组
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B.
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A.
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B.
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C.
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D.
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A.
Y
B.
N
C.
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A.
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