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Unread 24-03-2009, 12:42
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Re: Discrepancy at Chesapeake, Israel, Waterloo?

Putting your %'s into minitab and doing a simple capability sixpack, the distribution has a P value of .59, which strongly suggests you have a normal distribution.

Looking at the tails of the normal curve, only a couple values fall just outside that range, and you have both a long term and short term capability of well above 2. There is a bimodal distribution, but this sample size of regionals is somewhat limited.

With this limited sample size, my answer currently would be "It's well within expected limits".

Yeah, I know, it doesn't answer your question really. But everything points to normal statistical variation in Team winning percentage.
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