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Math Help - chi square dist with zero degrees of freedom

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    Question chi square dist with zero degrees of freedom

    give a reasonable definition of a chi square dist with zero degrees of freedom.
    (work with mgf of a dist that is chi square and let r=0)

    I was thinking this is gamma dist with alpha=0,beta=2 but can we have gamma dist with a=0???
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  2. #2
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    Quote Originally Posted by ninano1205 View Post
    give a reasonable definition of a chi square dist with zero degrees of freedom.
    (work with mgf of a dist that is chi square and let r=0)

    I was thinking this is gamma dist with alpha=0,beta=2 but can we have gamma dist with a=0???
    Look at these:

    JSTOR: An Error Occurred Setting Your User Cookie

    Noncentral chi-square distribution - Wikipedia, the free encyclopedia
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