Last Updated：2025/11/21
Sentence
2つの変数がどのように共に変動するかを評価するために、統計学者は2つの実数値確率変数XとYに対してCov(X, Y)=E((X-μ)(Y-ν))で定義される統計量、すなわち共分散を計算します。
Quizzes for review
To assess how two variables co-move, statisticians compute covariance using the formula Cov(X,Y)=E((X-μ)(Y-ν)).
See correct answer
To assess how two variables co-move, statisticians compute covariance using the formula Cov(X,Y)=E((X-μ)(Y-ν)).
音声機能が動作しない場合はこちらをご確認ください
Related words
covariance
Noun
Japanese Meaning
統計学における共分散。これは、２つの実数値ランダム変数の間の共変動（変数間の依存関係）を示す統計量で、各変数の期待値との差の積の平均として定義される。
Related Words
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
