[webkit-reviews] review requested: [Bug 98115] PerfTests have incorrect standard deviation calculation : [Attachment 166621] Update per reviewer comments

[bugzilla-daemon at webkit.org]

Philip Rogers <pdr at google.com> has asked  for review:
Bug 98115: PerfTests have incorrect standard deviation calculation
https://bugs.webkit.org/show_bug.cgi?id=98115

Attachment 166621: Update per reviewer comments
https://bugs.webkit.org/attachment.cgi?id=166621&action=review