問題已解決
請幫忙算一下標(biāo)準(zhǔn)差我按老師的方法算不出
![](https://member.chinaacc.com/homes/resources/images/home/avatar/5.jpg)
![](/wenda/_nuxt/img/iconWarn.60bd4fe.jpg)
![](https://pic1.acc5.cn/013/81/26/66_avatar_middle.jpg?t=1651217525)
?您好!
將數(shù)據(jù)代入下面公式計(jì)算即可
2022 04/14 14:30
![](http://member.chinaacc.com/homes/resources/images/home/avatar/5.jpg)
84784985 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2022 04/14 14:32
咱們那個(gè)第一個(gè)數(shù)和第二個(gè)數(shù)都是0.251個(gè)是正0.251個(gè)是負(fù)0.25,那他算出來的數(shù),它開平它
![](http://member.chinaacc.com/homes/resources/images/home/avatar/5.jpg)
84784985 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2022 04/14 14:32
咱們那個(gè)第一個(gè)數(shù)和第二個(gè)數(shù)都是0.251個(gè)是正0.251個(gè)是負(fù)0.25,那他算出來的數(shù),它開平它
![](https://pic1.acc5.cn/013/81/26/66_avatar_middle.jpg?t=1651217525)
晨曦老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2022 04/14 14:54
您好!
表中提供的數(shù)據(jù)沒有0.251呢
![](/wenda/img/newWd/sysp_btn_eye.png)