hiệp phương sai
Learn more
After looking up a meaning, choose a textbook or practice activity to keep learning Vietnamese.
Learn letters and pronunciation from the beginning
Open the 10days lesson listAn introductory textbook over ten days. Choose a lesson to read and listen to.
Learn conversation through a story
Read about “Tết, the Third Time”A textbook that teaches conversation through a family story. It is being prepared; see its content and release status.
Practise words and sounds in short activities
Choose from the practice listChoose an activity for vocabulary, tones, listening and other skills.
Meaning
1 senses
▸
A measure of how much two random variables change together in the field of statistics or mathematics.
vi Các nhà toán học sử dụng hiệp phương sai để nghiên cứu sự liên hệ giữa các biến số.
en Mathematicians use covariance to study the relationship between variables.