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Originally posted by Mathman

[B]

Now run this 12 through the following formula, where n is the number of skaters:

r' = 1- 6*(sum of the d-squareds)/(n-1)(n)(n+1)

r' = 1 - 6*12/6*7*8

r' = .78

Tutorial 2, was there a tutorial 1?

I am slow, but I try to muddle through. It helps me at least if you state the equation as

r' = 1- [6(sum of the d-squareds)]/(n-1)(n)(n+1)

that is add an extra bracket, and leave out the *, because the * may be confused to be power of instead of product of. I know you are using proper math symbols, but I am slow. i know technically you can state it as

r' = 1- 6(sum of the d-squareds)/(n-1)(n)(n+1)

and that is still correct.

BTW, should it always be 1-6 or 1-n, and in this case n = 6?

I am exceedingly intimidated , but now that I muddled through it what is the reward, a box of pop corn? candies? Don't tell me self satisfaction, that does not work for me.Don't be intimidated if math isn't your favorite subject. It is my job to make it your favorite subject, LOL.

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