Expected Value and Variance Question

whitehorsey · 2013-01-21T05:40:35+00:00

Does μx mean the same thing as E[X]? Also, does σ2x mean the same thing as Var X?

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Start date Jan 20, 2013
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Expected value Value Variance

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whitehorsey

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Jan 20, 2013

Does μ_x mean the same thing as E[X]? Also, does σ²_x mean the same thing as Var X?

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haruspex

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Jan 21, 2013

Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.

whitehorsey

Jan 21, 2013

haruspex said:

Those would be reasonable notations for E[X], Var(X). I wouldn't say it's sufficiently standard to answer more confidently.

Okay Thank You!

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Expected Value and Variance Question

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