May 09
Based on a regression analysis of the 2005 season, the number of wins of a baseball team can be predicted by the equation W = -55.574 - 15.0869ERA + 609.516OBP. (F-stat = 64.19, R2 = 0.826, SEW = 4.68)
Unfortunately for Chicago Cubs fans, if they continue to maintain their current ERA of 4.57 and OBP of 0.310, I predict they will win 64 ± 9.36 games this year with a 95% confidence interval.
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