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d.magna-EDTA Addition-11/20/02 <br />Program run on 11-22-2002 at 09:57:20 <br />RESULTS CALCULATED USING THE BINOMINAL METHOD <br />-------------------------------------------------------------------------------- <br />CONC. NUMBER NUMBER PERCENT BINOMIAL <br />EXPOSED DEAD DEAD PROB.(PERCENT) <br />-------------------------------------------------------------------------------- <br />100 20 10 50.00 58.8098 <br />75 20 1 5.00 0.0020 <br />50 20 1 5.00 0.0020 <br />AT A CONFIDENCE LEVEL OF 95 PERCENT, THE BINOMIAL TEST <br />SHOWS THAT THE LC50 IS ABOVE 75 <br />THE USEFULNESS OF ANY LC50 CALCULATED FROM THIS SET OF DATA <br />IS QUESTIONABLE BECAUSE A CONCENTRATION-EFFECT RELATIONSHIP <br />HAS NOT BEEN DEMONSTRATED OVER A REASONABLE RANGE (e.g. <br /><37 TO>63 OF PERCENT DEAD <br />99.99999 CAN BE USED AS AN APPROXIMATE LC50 FOR THIS DATA SET <br />RESULTS CALCULATED USING THE MOVING AVERAGE METHOD <br />-------------------------------------------------------------------------------- <br />SPAN G LC50 95 PERCENT CONFIDENCE LIMITS <br />-------------------------------------------------------------------------------- <br />1 0.348 100.000 91.343 127.688 <br />AN LC50 CALCULATED USING THE MOVING AVERAGE METHOD MAY NOT <br />E A VERY GOOD ESTIMATE IF THE SPAN IS MUCH LESS THAN THE <br />BER OF CONCENTRATIONS. <br />ESULTS CALCULATED USING THE PROBIT METHOD <br />------------------------------------------------------------------------------- <br />GOODNESS OF FIT <br />TERATIONS G H CHI-SQUARE PROBABILITY <br />- -- -- -- -- --- --- -- -- --- -- ------------------- <br />3 0.461 1.000 3.587 0.058 <br />LOPE = 6.434767 <br />5 PERCENT CONFIDENCE LIMITS = 2.065106 AND 10.80443 <br />0 = 106.8485 <br />PERCENT CONFIDENCE LIMITS = 91.51738 AND 187.0946 <br />C1 = 46.47808 <br />5 PERCENT CONFIDENCE LIMITS = 12.84939 AND 60.65876 <br />RESULTS WITH ORIGINAL DATA TO SEE IF THEY ARE <br />