variance
分散 (確率論)
https://source.unsplash.com/featured/?variance#.png
/suto3/google.iconvariance
/suto3/Google画像検索.iconvariance
/suto3/Google定義検索.icon variance
/suto3/wikipedia.iconvariance
/suto3/weblio.icon variance
/suto3/kotobank.icon variance
/suto3/jisho.icon variance