This article was originally published on Built In by Eric Kleppen. Variance is a powerful statistic used in data analysis and machine learning. It is one of the four main measures of variability along ...
A Gaussian approximation to the distribution of the sample variance is developed using the Wilson-Hilferty (1931) approach. This approximation is compared with the well-known approximations due to Box ...
Journal of the Royal Statistical Society. Series D (The Statistician) This paper discusses some teaching problems encountered in using $$S_1^2 = \sum^n_{i = 1}(x_i ...
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