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Math Help - need help asap -- expected value proof

  1. #1
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    need help asap -- expected value proof

    the question deals with showing that the estimated value of B1hat is equal to B1. show that B1hat is unbiased.

    so, i need to know how to derive this. any help very soon would be appreciated...
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  2. #2
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    Quote Originally Posted by rogersd425 View Post
    the question deals with showing that the estimated value of B1hat is equal to B1. show that B1hat is unbiased.

    so, i need to know how to derive this. any help very soon would be appreciated...
    There is insufficient information to answer this question.
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  3. #3
    MHF Contributor matheagle's Avatar
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    I can only guess that the OP is asking about simple linear regression.
    And this is easy to prove. BUT I need to know what I'm being asked.
    I can do this via matrices or via SSxy/SSxx.
    But I need a complete statement of the question.
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