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Originally Posted by tedzan
Matt
I think egbeachley has clarified what I meant by......
"This argument of yours, Matt, is not a statistically valid one."
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As I've shown above I believe his logic to be incorrect.
Quote:
Originally Posted by tedzan
A weighting factor must be considered in interpreting the data from these T206 surveys.
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Agree - 100%
Quote:
Originally Posted by tedzan
The range of the 350/460 PB cards in these surveys was from 4 to 23.
HOWEVER, ONLY 8 OF THE 451 SAMPLES WERE 4
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How many 350/460 backs were 5 populations since that's the population number we're dealing with? And while we are there, how many of the 350 only cards are 5 populations?
Quote:
Originally Posted by tedzan
I think you will agree that these extrem #s represent the 3 SIGMA points on a Bell curve; and, further reinforce
my contention that a very high probability exists that the Demmitt and O'Hara (St Louis vars.) were printed and issued during the 350-only POLAR BEAR run.
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I don't have the raw data so I can't say exactly, but my guess based on the numbers you have shared here is that it's somewhere in the neighborhood of 70%-80% likely.