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2. 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 ...

3. Normal probability plot - Wikipedia

   en.wikipedia.org/wiki/Normal_probability_plot

   Normal probability plots are made of raw data, residuals from model fits, and estimated parameters. A normal probability plot. In a normal probability plot (also called a "normal plot"), the sorted data are plotted vs. values selected to make the resulting image look close to a straight line if the data are approximately normally distributed.

4. Wikipedia : How to create charts for Wikipedia articles

   en.wikipedia.org/wiki/Wikipedia:How_to_create...

   A plot of the normal distribution, generated by gnuplot. ... Wikimedia SVG Chart is a graph generator using the templates functionality of Wikimedia Commons. This ...

5. Shape of a probability distribution - Wikipedia

   en.wikipedia.org/wiki/Shape_of_a_probability...

   The shape of a distribution will fall somewhere in a continuum where a flat distribution might be considered central and where types of departure from this include: mounded (or unimodal), U-shaped, J-shaped, reverse-J shaped and multi-modal. [1] A bimodal distribution would have two high points rather than one. The shape of a distribution is ...

6. Standard normal table - Wikipedia

   en.wikipedia.org/wiki/Standard_normal_table

   Normal distributions are symmetrical, bell-shaped distributions that are useful in describing real-world data. The standard normal distribution, represented by Z, is the normal distribution having a mean of 0 and a standard deviation of 1.

7. Desmos - Wikipedia

   en.wikipedia.org/wiki/Desmos

   In it, geometrical shapes can be made, as well as expressions from the normal graphing calculator, with extra features. [8] In September 2023, Desmos released a beta for a 3D calculator, which added features on top of the 2D calculator, including cross products, partial derivatives and double-variable parametric equations.

8. Log-normal distribution - Wikipedia

   en.wikipedia.org/wiki/Log-normal_distribution

   In this context, the log-normal distribution has shown a good performance in two main use cases: (1) predicting the proportion of time traffic will exceed a given level (for service level agreement or link capacity estimation) i.e. link dimensioning based on bandwidth provisioning and (2) predicting 95th percentile pricing. [87]

9. Probability distribution fitting - Wikipedia

   en.wikipedia.org/wiki/Probability_distribution...

   When the smaller values tend to be farther away from the mean than the larger values, one has a skew distribution to the left (i.e. there is negative skewness), one may for example select the square-normal distribution (i.e. the normal distribution applied to the square of the data values), [1] the inverted (mirrored) Gumbel distribution, [1 ...