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Old 11-09-2006, 11:11 PM   #6
socantra
Grade 1
 
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Join Date: Jun 2005
Location: Norman, OK
Posts: 387
thanks, Tom, but either I am confused (which is entirely possible) or that is not the conversion formula from %early to %median or vice versa. Maybe its the slope of the line?

At a %early of 50%, the correlation for %median is 66.7%, basically 1/2 to 2/3. The multiplier is %early times 1.333. It offsets a bit on either side of that, but the equivalent of your formula of y=1.157x-0.2426 is not close whether I use 50 one way or .67 the other way.

My apologies if I'm wrong on this. I can make a calculator dance and am pretty good at basic arithmetic, but I never learned much math beyond that level.

Dick...
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