2021-05-05 10:13:49 -07:00
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---
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id: 5e46f7e5ac417301a38fb928
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2021-07-03 20:07:10 +05:30
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title: 均值-方差-標準差 計算器
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2021-05-05 10:13:49 -07:00
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challengeType: 10
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2021-07-03 20:07:10 +05:30
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forumTopicId: 462366
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2021-05-05 10:13:49 -07:00
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dashedName: mean-variance-standard-deviation-calculator
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---
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# --description--
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2021-07-03 20:07:10 +05:30
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創建一個函數，這個函數可以使用 Numpy 輸出 3 x 3 矩陣的每一行、每一列和所有元素的均值，方差和標準差。
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2021-05-05 10:13:49 -07:00
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2021-07-03 20:07:10 +05:30
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你可以在 [Replit](https://replit.com/github/freeCodeCamp/boilerplate-mean-variance-standard-deviation-calculator) 上查看整個項目的具體描述和初始代碼。
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2021-05-05 10:13:49 -07:00
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2021-07-03 20:07:10 +05:30
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點擊此鏈接，fork 這個項目。 當你根據 “README.md” 中的說明完成了項目，請在下方提交你的項目鏈接。
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2021-05-05 10:13:49 -07:00
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2021-07-03 20:07:10 +05:30
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我們仍在開發 Python 數據分析課程的交互式教學。 現在，您將需要使用其他資源來學習如何通過這一挑戰。
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2021-05-05 10:13:49 -07:00
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# --hints--
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2021-07-03 20:07:10 +05:30
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它應該通過所有的 Python 測試。
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2021-05-05 10:13:49 -07:00
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```js
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```
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# --solutions--
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```py
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# Python challenges don't need solutions,
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# because they would need to be tested against a full working project.
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# Please check our contributing guidelines to learn more.
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```
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