【单选题】【消耗次数：1】
平均增长速度是
①
环比增长速度的算术平均数
②
总增长速度的算术平均数
③
环比发展速度的算术平均数
④
平均发展速度减100%
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相关题目
【多选题】
平均增长速度的计算?
①
不能根据各个环比增长速度的连乘积而直接求得
②
等于环比增长速度减1(或100%)
③
等于平均发展速度减1(或100%)
④
等于各期增长速度的平均数
⑤
能根据各个环比发展速度的几何平均数减1求得
【多选题】
在什么条件下，加权算术平均数等于简单算术平均数( )。
①
各组次数相等
②
各组变量值不等
③
变量数列为组距数列
④
各组次数都为1
⑤
各组次数占总次数的比重相等
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