Stats minor Flashcards

1
Q

What is E(x)?

A

Sum of xp

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2
Q

What is Var(X)

A

E(x^2)-(E(x))^2

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3
Q

What the E(aX+b)?

A

aE(x) + b

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4
Q

What is the Var(aX+b)?

A

a^2Var(x)

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