noun🔗ShareA statistical measure defined as \scriptstyle\operatorname{Cov}(X, Y) = \operatorname{E}((X - \mu) (Y - \nu)) given two real-valued random variables X and Y, with expected values \scriptstyle E(X)\,=\,\mu and \scriptstyle E(Y)\,=\,\nu."The positive covariance between study time and exam scores suggests that students who study more tend to get higher scores. "statisticsmathscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareThe conversion of data types from wider to narrower in certain situations."The covariance in the database system, automatically changing a double-precision number (like 3.14159) to an integer (like 3) when storing someone's age, resulted in a loss of precision but saved storage space. "statisticsmathbusinessChat with AIVocabulary GamePractice Reading
