#1
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Sample Size ROI Certainty Question
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3.8/sqrt(#SnG you've played) = +/- your current ROI to find the possible swing in your ROI... [/ QUOTE ] I've seen this formula pop up in a few threads. Can someone fill me in on the reasoning behind it? I don't like trusting formulae where I don't know how it came about. |
#2
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Re: Sample Size ROI Certainty Question
Maybe Mycroft knows.
Seriously, I thought this was a good question when you posted it at the other place. If you get a good answer somewhere, I would be curious. I spent an hour flipping through a stat book and couldn't adjust any of the applicable analyses to arrive at this result. |
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