Summary
The present paper includes characterizations of the conditions of spherical symmetry and of centered spherical symmetry. These characterizations provide an empirical justification for the above mentioned conditions of symmetry.
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Eaton, M.L., Fortini, S. & Regazzini, E. Spherical symmetry: An elementary justification. J. It. Statist. Soc. 2, 1–16 (1993). https://doi.org/10.1007/BF02589072
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DOI: https://doi.org/10.1007/BF02589072