Prove that has zero mean and unit variance. Note that this is true whether Z is normal

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Prove that

has zero mean and unit variance. Note that this is true whether Z is normal or not.

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Essentials of Econometrics

ISBN: 978-0073375847

4th edition

Authors: Damodar Gujarati, Dawn Porter

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Question Posted: Apr 12, 2016 07:37 AM

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Prove that has zero mean and unit variance. Note that this is true whether Z is normal

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!! х IZ

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0 because x is a constant a...View the full answer

Essentials of Econometrics

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