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Results tagged with normal-distribution
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user 15997
The normal, or Gaussian, distribution has a density function that is a symmetrical bell-shaped curve. It is one of the most important distributions in statistics. Use the [normality-assumption] tag for asking about testing for normality.
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Distribution of a vector divided by its sum [duplicate]
Suppose that the vector
$\tilde{a} = (a_1,a_2,...,a_J)$
has a multivariate normal distribution and let
$$A = \Sigma_{j=1}^J a_j\,.$$
Then what is the distribution of $a_j/A$ or $\tilde{a}/A …
- 1,097