hdhcool 发表于 2022-6-23 13:24:12

初学习统计学又懵逼了

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教材中方差公式是这样的在开根号就得到标准差西格玛   但是调用EXCEL里得标准差函数STDEV得到得结果不一样啥情况啊

stephenlee 发表于 2022-6-23 23:10:22

{:1_180:}

wenzhu712 发表于 2022-6-24 08:27:42

:L

weewweew 发表于 2022-6-24 08:43:09

STDEVP试试

bfw 发表于 2022-6-24 08:43:36

{:1_180:}

richardfu96 发表于 2022-6-24 08:45:25

{:1_180:}

旧人乐 发表于 2022-6-24 08:55:11

:)

wei1394 发表于 2022-6-24 09:19:33

STDEV 和STDEVP函数不一样,一个总数要减1

那抹淡蓝 发表于 2022-6-24 10:47:44

话说,教材里的公式是哪样的,看不到啊

jianghuang 发表于 2022-6-24 13:19:24

西格玛4种计算方式,你弄明白了没?
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