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The Variance of Variance

Academy of Management Proceedings, 2021
Abstract Chance models – mechanisms that explain empirical regularities through unsystematic variance – have a long tradition in the sciences but have been historically marginalized in management scholarship, relative to an agentic worldview about the role of managers and organizations. An exception is the work of James G.
Liu, C, Tsay, C-J
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Variance of the MVUE for Lognormal Variance

Technometrics, 1980
MVUE θ* of the parametric function θ = Σ i–1 h i , exp(b i μ + c i σ2) for a lognormal distribution LN(μ, σ2) is considered. The exact variance var(θ*) is given. Then the variance of the MVUE of the parametric function θ = var (Y) = exp(2μ) {exp(2σ2) – exp(σ2)} is explored: (i) for a random sample from the LN(μ, σ2) distribution, and (ii) for a ...
Jiří Likeš, Jiri Likes
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Elasticity of Variance of Variance

Wilmott, 2020
An empirical two‐horse race between the Heston and SABR for the period around the 2008 financial crisis.
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Analysis of Variance with Unequal Variances

Journal of Quality Technology, 1981
Analysis of variance (ANOVA) is often used in quality control studies. It assumes equal variabilities within groups, and no exact procedures have been available for cases with unequal variabilities. In this paper exact procedures are given and illustrat..
Edward J. Dudewicz, Thomas A. Bishop
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The Value of Variance

Proceedings of the 7th ACM/SPEC on International Conference on Performance Engineering, 2016
Measurements for distributed algorithms, such as performance results, are usually reported using averages, similarly to prevailing practice in other areas of computer science. We argue that including standard deviations offers additional information and that the minimal burden of providing standard deviations is outweighed by the benefits. We propose a
Jesun Sahariar Firoz   +3 more
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