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Old 01-28-2010, 12:34 AM  
cyco_cc
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Join Date: Oct 2008
Posts: 344
Quote:
Originally Posted by Myst View Post
thanks react
yea i asked my stats friend and he told me i needed to use a 2 sample t-test. (it was something like 99.999628% chance something is up)
i was being shaved, as confirmed by the sponsor.

stats rules!
IIRC, a t-test requires that the data be normally distributed. Are the mean conversion ratios on any specific day (say Saturday) much different than the others? If so, the test will probably provide inaccurate results.

But if you already confirmed it, stats are no match for verifiable evidence
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