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A comment on Dear Professor.

Re:Dear Professor by plg on Tuesday December 03, 2013 @12:43PM (#6841800)
http://en.wikipedia.org/wiki/Sampling_error
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Re:Dear Professor by bjoernw on Tuesday December 03, 2013 @01:09PM (#6841972)
No one is trying to determine statistical significance here! Why the negativity?
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