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  2. Significant figures - Wikipedia

    en.wikipedia.org/wiki/Significant_figures

    45,600 has 3, 4 or 5 significant figures depending on how the last zeros are used. For example, if the length of a road is reported as 45600 m without information about the reporting or measurement resolution, then it is not clear if the road length is precisely measured as 45600 m or if it is a rough estimate.

  3. Statistical significance - Wikipedia

    en.wikipedia.org/wiki/Statistical_significance

    When drawing data from a sample, this means that the rejection region comprises 5% of the sampling distribution. [39] These 5% can be allocated to one side of the sampling distribution, as in a one-tailed test , or partitioned to both sides of the distribution, as in a two-tailed test , with each tail (or rejection region) containing 2.5% of ...

  4. SigFig - Wikipedia

    en.wikipedia.org/wiki/Sigfig

    Significant figures, the digits of a number that carry meaning contributing to its measurement resolution Topics referred to by the same term This disambiguation page lists articles associated with the title SigFig .

  5. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Sigmoid function - Wikipedia

    en.wikipedia.org/wiki/Sigmoid_function

    A common example of a sigmoid function is the logistic function, which is defined by the formula: [1] ... In audio signal processing, ...

  7. Greater-than sign - Wikipedia

    en.wikipedia.org/wiki/Greater-than_sign

    In mathematical writing, the greater-than sign is typically placed between two values being compared and signifies that the first number is greater than the second number. Examples of typical usage include 1.5 > 1 and 1 > −2. The less-than sign and greater-than sign always "point" to the smaller number.

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  9. Hilbert's fifth problem - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_fifth_problem

    Hilbert's fifth problem is the fifth mathematical problem from the problem list publicized in 1900 by mathematician David Hilbert, and concerns the characterization of Lie groups. The theory of Lie groups describes continuous symmetry in mathematics; its importance there and in theoretical physics (for example quark theory ) grew steadily in ...