What does p-value mean?

Definitions for p-value
p-value

This dictionary definitions page includes all the possible meanings, example usage and translations of the word p-value.


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Wikipedia

  1. P-value

    In null-hypothesis significance testing, the p-value is the probability of obtaining test results at least as extreme as the result actually observed, under the assumption that the null hypothesis is correct. A very small p-value means that such an extreme observed outcome would be very unlikely under the null hypothesis. Reporting p-values of statistical tests is common practice in academic publications of many quantitative fields. Since the precise meaning of p-value is hard to grasp, misuse is widespread and has been a major topic in metascience.

Wikidata

  1. p-value

    In statistical significance testing, the p-value is the probability of obtaining a test statistic at least as extreme as the one that was actually observed, assuming that the null hypothesis is true. A researcher will often "reject the null hypothesis" when the p-value turns out to be less than a certain significance level, often 0.05 or 0.01. Such a result indicates that the observed result would be highly unlikely under the null hypothesis. Many common statistical tests, such as chi-squared tests or Student's t-test, produce test statistics which can be interpreted using p-values. In a statistical test, the p-value is the probability of getting the same value for a model built around two hypotheses, one is the "neutral" hypothesis, the other is the hypothesis under testing. If this p-value is less than or equal to the threshold value previously set, one rejects the neutral hypothesis and accepts the test hypothesis as valid . In general, considering the following thresholds: : very strong presumption against neutral hypothesis : very strong presumption against neutral hypothesis : strong presumption against neutral hypothesis : low presumption against neutral hypothesis

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Numerology

  1. Chaldean Numerology

    The numerical value of p-value in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of p-value in Pythagorean Numerology is: 5

Examples of p-value in a Sentence

  1. Christopher Preble:

    The bigger issue, it seems to me, is a lack of regard for the State Department as an institution, there's some real skepticism about the value of diplomacy.

  2. Kelsey Mays:

    They're still offering it for the PR value of saying they have a $ 35,000 car.

  3. Gerald Weinberg:

    Quality is value to some person.

  4. Matias Viel:

    Although this is a long journey, we are starting -- and we think that this can add a lot of value to the agriculture industry.

  5. Page Pate:

    I don't think there is a clear enough hook to show that what they wanted from Bezos was a thing of value.


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"p-value." Definitions.net. STANDS4 LLC, 2025. Web. 19 Jan. 2025. <https://www.definitions.net/definition/p-value>.

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    being essentially equal to something
    A proprietary
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