当前位置:首页>Excel>为什么觉得自己拖统计局的后腿,Excel 算术平均值函数average用法教程,动态计算近7天平均值,算术平均值的缺点.

为什么觉得自己拖统计局的后腿,Excel 算术平均值函数average用法教程,动态计算近7天平均值,算术平均值的缺点.

  • 2026-04-04 00:14:11
为什么觉得自己拖统计局的后腿,Excel 算术平均值函数average用法教程,动态计算近7天平均值,算术平均值的缺点.

那些年我们一起打过的卡

1、120个必学必会WPS表格函数(已坚持打卡92天)

120个必学必会Excel常用函数

第92天  算术平均值函数average(a)

技巧1:average和averagea算术平均值函数用法区别

技巧2:动态计算近7天数据平均值

技巧3:算术平均数的缺点

练习软件:WPS 2024

01

average和averagea算术平均数函数用法区别

    算术平均数,又称均值,是统计学中最基本、最常用的一种平均指标,分为简单算术平均数、加权算术平均数。而今天要讲的average和averagea函数计算的就是简单算术平均数。

AVERAGE函数返回参数的算术平均值。

    用法:AVERAGE(number1, [number2], ...)

Averagea函数计算参数列表中参数(包括数字、文本和逻辑值的算术平均值。

    用法:AVERAGEA(value1, [value2], ...)

    都是计算算术平均数,提供两个不是很浪费吗?那是因为两个函数的计算范围不一样。

    对于average函数,包含文本、逻辑值或空单元格,则这些值将被忽略;而对于averagea函数,只有空单元格会被忽略,逻辑值True会被当作1、False会被当作0、文本以及文本型数字被当作0参与计算。

    如果逻辑值或文本型数字,是作为参数直接输入的,两个函数的处理逻辑是一样的,逻辑值True当作1参与计算,False当作0参与计算,文本型数字按数值本身参与计算。

02

动态计算近7天平均值 

    average函数作为基础操作函数,本身没有太多炫酷的技巧,唯一比较困难的就是找到合适的单元格区域引用范围。

    示例中,随着数据记录的增加,公式可以动态计算出近7天的平均值,且可以手动修改天数范围。

    D2单元格公式“=AVERAGE(OFFSET(INDIRECT(ADDRESS(COUNTA(B:B),2,1)),0,0,-F1))”,公式还是比较简单的,也就用到了5个函数。

    COUNTA(B:B),定位最后一条记录所在行。

    INDIRECT(ADDRESS(COUNTA(B:B),2,1)),构建最后一条阅读量数据所在单元格引用地址,因为address函数返回的是文本,还需要用indirect转换成引用。

    OFFSET(INDIRECT(ADDRESS(COUNTA(B:B),2,1)),0,0,-F1),返回最近7天记录单元格区域。

03

average算术平均值的缺点

数据的集中趋势是统计分布中一组数的中心位置。 最常用的集中趋势度量方式有以下三种:平均值、中值和众数。

对于对称分布的一组数来说,这三种集中趋势的度量是相同的。 对于偏态分布的一组数来说,这三种集中趋势的度量可能不同。如用AVERAGE 函数计算社会的人均财富,小明这个常年账户余额为0的社畜,在马爸爸的加持下,居然也有百亿财富。更为合理的办法就是使用中值(median)和众数(mode)来表达数据的集中趋势。

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  1. CONNECT:[ UseTime:0.000675s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000532s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000243s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000334s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000502s ]
  6. SELECT * FROM `set` [ RunTime:0.000203s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000540s ]
  8. SELECT * FROM `article` WHERE `id` = 490261 LIMIT 1 [ RunTime:0.000354s ]
  9. UPDATE `article` SET `lasttime` = 1775920464 WHERE `id` = 490261 [ RunTime:0.000500s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000228s ]
  11. SELECT * FROM `article` WHERE `id` < 490261 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000399s ]
  12. SELECT * FROM `article` WHERE `id` > 490261 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000365s ]
  13. SELECT * FROM `article` WHERE `id` < 490261 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000665s ]
  14. SELECT * FROM `article` WHERE `id` < 490261 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001032s ]
  15. SELECT * FROM `article` WHERE `id` < 490261 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001359s ]
0.153379s