Translation guide
In Japanese, the statistical concept of covariance is expressed with the technical term 共分散 (kyōbunsan). For general English uses like 'covariance of two variables,' the same term applies. There is no common non-technical equivalent.
The statistical measure of how two variables change together.
The standard technical term in statistics and mathematics.
共分散は二つの変数の関係を示す。
Covariance indicates the relationship between two variables.
このデータの共分散を計算してください。
Please calculate the covariance of this data.