Remove showstopper; as trawick commit of 2001/09/11 12:19:09

has cleaned them up.

Added a >1 comparison to not do statistics if there are less
than 2 entries (and hence the standard deviation check would
explode on a divide by zero).

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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@91127 13f79535-47bb-0310-9956-ffa450edef68