Plot of pctrecov * newdate

Statistics for the Plotted Points
HEPTACHLOR EPOXIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 10 81% 22% 73% 10%
Upper Range 20 84% 9% 84% 11%
Total 30 83% 14% 80% 12%

Miscellaneous Statistics for the Samples
HEPTACHLOR EPOXIDE

Characteristic N % % Basis
Plotted 30 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 2 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 32 .  
False Negatives 0 0% 0 out of 30
Not Spiked 41 .  
False Positives 0 0% 0 out of 41