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  2. List of YouTube features - Wikipedia

    en.wikipedia.org/wiki/List_of_YouTube_features

    YouTube originally offered videos at only one quality level, displayed at a resolution of 320×240 pixels using the Sorenson Spark codec (a variant of H.263), [29] [30] with mono MP3 audio. [31] In June 2007, YouTube added an option to watch videos in 3GP format on mobile phones. [32]

  3. 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 ...

  4. 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 ...

  5. Standard normal - Wikipedia

    en.wikipedia.org/?title=Standard_normal&redirect=no

    What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code

  6. Category:Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Category:Normal_distribution

    This page was last edited on 7 December 2016, at 21:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. Normal - Wikipedia

    en.wikipedia.org/wiki/Normal

    Normal scheme, a scheme whose local rings are normal domains; Normal sequence (disambiguation), either a normal function or a representation of a normal number; Normal space (or ), spaces, topological spaces characterized by separation of closed sets; Normal subgroup, a subgroup invariant under conjugation

  8. Talk:Standard normal table - Wikipedia

    en.wikipedia.org/wiki/Talk:Standard_normal_table

    Why is this page referencing a specific type of table? The textbook I have in my class (not saying that it is the only answer) uses a different table, with prob's from 0.0000 to 0.4990.

  9. 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 ...