Stats minor Flashcards
1
Q
What is E(x)?
A
Sum of xp
2
Q
What is Var(X)
A
E(x^2)-(E(x))^2
3
Q
What the E(aX+b)?
A
aE(x) + b
4
Q
What is the Var(aX+b)?
A
a^2Var(x)
What is E(x)?
Sum of xp
What is Var(X)
E(x^2)-(E(x))^2
What the E(aX+b)?
aE(x) + b
What is the Var(aX+b)?
a^2Var(x)