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  2. Standard normal table - Wikipedia

    en.wikipedia.org/wiki/Standard_normal_table

    In statistics, a standard normal table, also called the unit normal table or Z table, [1] is a mathematical table for the values of Φ, the cumulative distribution function of the normal distribution.

  3. Altman Z-score - Wikipedia

    en.wikipedia.org/wiki/Altman_Z-score

    The Z-score is a linear combination of four or five common business ratios, weighted by coefficients. The coefficients were estimated by identifying a set of firms which had declared bankruptcy and then collecting a matched sample of firms which had survived, with matching by industry and approximate size (assets).

  4. Standard score - Wikipedia

    en.wikipedia.org/wiki/Standard_score

    Comparison of the various grading methods in a normal distribution, including: standard deviations, cumulative percentages, percentile equivalents, z-scores, T-scores. In statistics, the standard score is the number of standard deviations by which the value of a raw score (i.e., an observed value or data point) is above or below the mean value of what is being observed or measured.

  5. Z-test - Wikipedia

    en.wikipedia.org/wiki/Z-test

    For each significance level in the confidence interval, the Z-test has a single critical value (for example, 1.96 for 5% two tailed) which makes it more convenient than the Student's t-test whose critical values are defined by the sample size (through the corresponding degrees of freedom). Both the Z-test and Student's t-test have similarities ...

  6. Normal score - Wikipedia

    en.wikipedia.org/wiki/Normal_score

    The term normal score is used with two different meanings in statistics. One of them relates to creating a single value which can be treated as if it had arisen from a standard normal distribution (zero mean, unit variance). The second one relates to assigning alternative values to data points within a dataset, with the broad intention of ...

  7. What Happens to Your Body When You Drink a Glass of Wine ...

    www.aol.com/happens-body-drink-glass-wine...

    25 hostess gifts from Walmart are way better than a bottle of wine

  8. Z-score (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Z-score_(disambiguation)

    Z-score is a type of statistical ratio. It may also refer to: Z-value, in ecology; Z-factor, in high-throughput screening; Altman Z-score, in financial analysis

  9. Trump’s victory has some liberal judges reversing their ...

    www.aol.com/news/trump-victory-liberal-judges...

    The recent reversals by two US district judges on plans to step down from their seats, effectively denying President-elect Donald Trump the opportunity to replace them, has put attention on other ...