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statistics question (not really OT)

Posted By: Bob Koca
Date: Tuesday, 12 July 2011, at 5:52 p.m.

In Response To: statistics question (not really OT) (Chuck Bower)

"Anyone have more than a guess as to the commonness/rarity of this sequence if each team is equally likely to win each game?"

Does saying "THIS" makes it a question that is not what you mean to ask? If you ignore ties the probability of that sequence is (1/2)^79

If you want to measure "streakiness" you might look at how many times the winner of the previous game wins the next game. For your data you have 53 out of 79 games being a repeater. The std. dev of a variable which is Bin(79,.5) is 4.44 and the mean in 39.5 so a result of 53 is 3.04 deviations above the mean. By chance it occurs with probability less than .2%.

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