Talk:Statistics/Chi-squared distribution: Difference between revisions
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m (Partially outdent last comment.) |
m (→Chi-squared cumulative probability distribution: k is 2.) |
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Well, the Wikipedia formula looks correct to me. If we substitute k = 2 in their formula for the pdf (which agrees with the task description so there's no notational difference here) we get (since gamma(1) = 1): |
Well, the Wikipedia formula looks correct to me. If we substitute k = 2 in their formula for the pdf (which agrees with the task description so there's no notational difference here) we get (since gamma(1) = 1): |
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:: f(x; |
:: f(x; 2) = exp(-x/2) / 2 |
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and if we integrate that we get: |
and if we integrate that we get: |
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:: F(x; |
:: F(x; 2) = 1 - exp(-x/2) |
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[[User:PureFox|PureFox]] ([[User talk:PureFox|talk]]) 10:48, 2 October 2022 (UTC) |
[[User:PureFox|PureFox]] ([[User talk:PureFox|talk]]) 10:48, 2 October 2022 (UTC) |
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