p d wiki 維基

p-value - Wikipedia, the free encyclopedia海龜沒辦法在陸地上走吧... In statistics, the p-value is a function of the observed sample results (a statistic) that is used for testing a statistical hypothesis. Before performing the test a threshold value is chosen, called the significance level of the test, traditionally 5% or...

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DramaWiki - D-Addicts一路順風?太官方了! The contents of DramaWiki is not licensed under the GFDL. Duplication of DramaWiki content on Wikipedia - a wiki with content governed by the GNU Free Documentation License - is against Wikipedia guidelines. Wikipedia is currently cracking down on all con...

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Phosphorus - Wikipedia, the free encyclopedia快下來~~!!! Phosphorus is a chemical element with symbol P and atomic number 15. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but due to its high reactivity, phosphorus is never found as a free element on Earth. Instead phos...

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