Plot of pctrecov * newdate

Statistics for the Plotted Points
HEPTACHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 27 65% 11% 66% 14%
Upper Range 13 87% 39% 79% 27%
Total 40 73% 26% 67% 16%

Miscellaneous Statistics for the Samples
HEPTACHLOR

Characteristic N % % Basis
Plotted 40 98% Spiked
Estimated Values 1 2% Spiked
Deleted Values 2 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 42 .  
False Negatives 1 2% 1 out of 41
Not Spiked 31 .  
False Positives 0 0% 0 out of 30