Timeline for Removing outliers and calculating a "lowest" attainable price from a pre-determined/fixed time series of prices
Current License: CC BY-SA 3.0
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| Jul 5, 2013 at 23:23 | comment | added | Nick Cox | 67% here is presumably an echo of the 68.3% or so of cases being within 1 SD of the mean for a normal distribution; but that's not a universal result. The key point is that means and SDs are themselves typically inflated by outliers, so do not provide resistant criteria, which are needed here. | |
| Jul 5, 2013 at 23:17 | history | answered | Robert Jones | CC BY-SA 3.0 |