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Expected Value and Variance Question

by whitehorsey
Tags: expected, variance
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whitehorsey
#1
Jan20-13, 11:40 PM
P: 192
Does μx mean the same thing as E[X]? Also, does σ2x mean the same thing as Var X?
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haruspex
#2
Jan21-13, 12:09 AM
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Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.
whitehorsey
#3
Jan21-13, 02:01 AM
P: 192
Quote Quote by haruspex View Post
Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.
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