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No, it does not. The expected value does not minimize that average distance. The median does. The expeected values minimizes the average square of the distance. Besides, it's not clear that estimation is what's being done here. Michael Hardy (talk) 19:07, 7 January 2008 (UTC)
Hi Alex. So there you are, hiding under a ?Latinate variant. Psychology articles are in a frightful mess around this neck of the woods. Tony (talk) 06:16, 29 November 2008 (UTC) PS You may recognise the white staircase and my daughter on my talk page. Tony (talk) 06:17, 29 November 2008 (UTC)