Harin, Alexander
(2015):
*An existence theorem for restrictions on the mean in the presence of a restriction on the dispersion.*

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## Abstract

This article analyzes, from the purely mathematical point of view, a general practical problem. The problem consists in the influence of the scatter of experimental data on their mean values (and, possibly, on the probability) near the borders of intervals. The second central moment, the dispersion is a common measure of a scatter. Suppose, for instance, a nonnegative random variable X takes values in a finite interval . Write M for its mean. If there is a non-zero restriction on a central moment |E(X-M)n|≥|rnDisp.n|>0 under the condition 2≤n<∞, then A<(A+|rnDisp.n|/(B-A)n)≤M≤(B-|rnDisp.n|/(B-A)n). That is, |rnDisp.n|/(B-A)n)>0 is the width of a non-zero “forbidden zone” for the mean M near a border of the interval. Here, in the case of , this non-zero restriction is a restriction on the dispersion E(X-M)2≥r2Disp.2=σ2Min>0. So, if there is a non-zero restriction on the dispersion, then a non-zero “forbidden zone” exists for the mean near a border of the interval.

Item Type: | MPRA Paper |
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Original Title: | An existence theorem for restrictions on the mean in the presence of a restriction on the dispersion |

Language: | English |

Keywords: | mean; dispersion; scatter; scattering; noise; probability; economics; utility theory; prospect theory; decision theories; human behavior; |

Subjects: | C - Mathematical and Quantitative Methods > C0 - General C - Mathematical and Quantitative Methods > C9 - Design of Experiments > C91 - Laboratory, Individual Behavior C - Mathematical and Quantitative Methods > C9 - Design of Experiments > C93 - Field Experiments D - Microeconomics > D8 - Information, Knowledge, and Uncertainty D - Microeconomics > D8 - Information, Knowledge, and Uncertainty > D81 - Criteria for Decision-Making under Risk and Uncertainty |

Item ID: | 64646 |

Depositing User: | Alexander Harin |

Date Deposited: | 27 May 2015 20:56 |

Last Modified: | 28 Sep 2019 16:35 |

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URI: | https://mpra.ub.uni-muenchen.de/id/eprint/64646 |