aipacommander https://blog.hatena.ne.jp/aipacommander/ ITの隊長のブログ https://aipacommander.com/ 統計 統計学３級取るぞ！！！ 親の顔より何度もみた分散と標準偏差 $ python >>> a = [5, 3, 4, 10, 3] >>> a_ = sum(a) / len(a) # 平均 >>> a_ 5.0 >>> s = sum([(i - a_)**2 for i in a]) / len(a) # 分散 >>> s 6.8 >>> import math >>> math.sqrt(s) # 分散をルートでかけると標準偏差 2.6076809620810595 www.youtube.com もう１つの方法でとく >>> x2_ = sum([i ** 2 for i in a]) /… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Faipacommander.com%2Fentry%2F2018%2F07%2F24%2F014855" title="分散・標準偏差 - ITの隊長のブログ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2018-07-24 01:48:55 rich https://aipacommander.com/entry/2018/07/24/014855 1.0 100%