Wednesday, June 30, 2010
Manager and GM correlations with winning…
Let’s say that you knew the exact skill level of every manager and GM, with respect to their contribution to their team’s winning (as opposed to say, making money). For a GM, of course, that would be given the payroll that he is assigned by the team’s owners. IOW, a GM does not get any credit if he is allotted more dollars to spend than another GM, and vice-versa. And a manager does not get any credit if he happens to have good players, other than the fact that he may have had a hand in developing those players’ skills.
And let’s say that you were able to rank each manager and GM or assign some other quantitative value to that skill level.
Now, imagine that we had lots of data along these lines and we were able to run a regression of skill on team WP for one year.
What do you think the correlation coefficient would be for one year of a team’s w/l record for the managers and also for the GM’s? How about for 5 years and for 10 years?


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