Prove that xiyi = xiyi = xiyi, where xi - = (Xi - ) and yi -

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Prove that ∑xiyi = ∑xiyi = ∑xiyi, where xi - = (Xi - ) and yi - = (Yi - ).

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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 07:23 AM

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Prove that xiyi = xiyi = xiyi, where xi - = (Xi - ) and yi -

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Essentials of Econometrics

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