noun
R
A way to see if two things change together. If they change the same way, the covariance is positive. If they change opposite ways, it's negative. If they don't change together, it's zero.
We noticed a positive covariance between the number of hours studied and test scores.
我們注意到學習時間和考試成績之間存在正相關。
R
It's like seeing how two things move together. If they move the same way, it's similar. This can help us understand how things are connected.
The covariance of two stocks can show if they tend to go up or down together.
兩隻股票的協方差可以顯示它們是否傾向於一起上升或下降。
translation
共變異數, 共變
詞形變化
Plural
covariances