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  2. File:High School Probability and Statistics (Basic).pdf

    en.wikipedia.org/wiki/File:High_School...

    Original file (1,275 × 1,650 pixels, file size: 6.82 MB, MIME type: application/pdf, 156 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  3. Summary statistics - Wikipedia

    en.wikipedia.org/wiki/Summary_statistics

    A common collection of order statistics used as summary statistics are the five-number summary, sometimes extended to a seven-number summary, and the associated box plot. Entries in an analysis of variance table can also be regarded as summary statistics. [1]: 378

  4. Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Normal_distribution

    The simplest case of a normal distribution is known as the standard normal distribution or unit normal distribution. This is a special case when μ = 0 {\textstyle \mu =0} and σ 2 = 1 {\textstyle \sigma ^{2}=1} , and it is described by this probability density function (or density): φ ( z ) = e − z 2 2 2 π . {\displaystyle \varphi (z ...

  5. File:Normal Distribution PDF.svg - Wikipedia

    en.wikipedia.org/wiki/File:Normal_Distribution...

    Original file (SVG file, nominally 720 × 460 pixels, file size: 63 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  6. Seven-number summary - Wikipedia

    en.wikipedia.org/wiki/Seven-number_summary

    In descriptive statistics, the seven-number summary is a collection of seven summary statistics, and is an extension of the five-number summary. There are three similar, common forms. As with the five-number summary, it can be represented by a modified box plot, adding hatch-marks on the "whiskers" for two of the additional numbers.

  7. 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 ...

  8. 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 the total of a sample of size n from some population in which the ...

  9. Log-normal distribution - Wikipedia

    en.wikipedia.org/wiki/Log-normal_distribution

    The file size distribution of publicly available audio and video data files follows a log-normal distribution over five orders of magnitude. [92] File sizes of 140 million files on personal computers running the Windows OS, collected in 1999. [93] [62] Sizes of text-based emails (1990s) and multimedia-based emails (2000s). [62]