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Combat Arms KDR

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Combat Arms KDR
Hazzy
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#12
2009-03-20, 11:07 PM
I know how to run a hypothesis test. My issue lies with obtaining a StdDev for the ratio of kills to deaths. ;[
I want to create a confidence interval for my KDR of a random game. I need a StdDev of the ratio before I can do that. Dividing means works fine. Dividing StdDev of both samples doesn't work out right...
My current data has:

KillsDeaths
Mean228
StdDev6.34.12


This comes out to a Mean KDR of 2.67.
Sqrt(6.3^2/4.12^2)=1.53

Mean of 2.67, StdDev of 1.53... That strikes me as wrong, since almost a third of my games will have me with under 1.00 KDR. (Quick mental calculation that might be wrong)
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Messages In This Thread
Combat Arms KDR - by Hazzy - 2009-03-20, 05:45 PM
Combat Arms KDR - by JoeTang - 2009-03-20, 06:55 PM
Combat Arms KDR - by Russt - 2009-03-20, 07:01 PM
Combat Arms KDR - by Hazzy - 2009-03-20, 07:02 PM
Combat Arms KDR - by Nikkey - 2009-03-20, 07:42 PM
Combat Arms KDR - by Hazzy - 2009-03-20, 08:34 PM
Combat Arms KDR - by Nikkey - 2009-03-20, 08:48 PM
Combat Arms KDR - by Hazzy - 2009-03-20, 09:11 PM
Combat Arms KDR - by Nikkey - 2009-03-20, 09:18 PM
Combat Arms KDR - by Hazzy - 2009-03-20, 09:25 PM
Combat Arms KDR - by Cyadd - 2009-03-20, 10:54 PM
Combat Arms KDR - by Hazzy - 2009-03-20, 11:07 PM
Combat Arms KDR - by Cyadd - 2009-03-20, 11:15 PM
Combat Arms KDR - by Russt - 2009-03-20, 11:16 PM
Combat Arms KDR - by Hazzy - 2009-03-20, 11:26 PM
Combat Arms KDR - by Nikkey - 2009-03-21, 05:39 AM
Combat Arms KDR - by Hazzy - 2009-03-21, 03:09 PM
Combat Arms KDR - by Nikkey - 2009-03-21, 03:45 PM
Combat Arms KDR - by Russt - 2009-03-21, 03:47 PM
Combat Arms KDR - by Flaxative - 2009-04-03, 06:58 PM

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