level: Dos VA
Questions and Answers List
level questions: Dos VA
Question | Answer |
---|---|
Defina la formula de covarianza | COV(X,Y)=E( (X-E(X)) * (Y-E(Y)) ) |
Defina el teorema de la covarianza | VAR(X+Y)=VAR(X)+VAR(Y)+2COV(X,Y) |
Question | Answer |
---|---|
Defina la formula de covarianza | COV(X,Y)=E( (X-E(X)) * (Y-E(Y)) ) |
Defina el teorema de la covarianza | VAR(X+Y)=VAR(X)+VAR(Y)+2COV(X,Y) |