Plot of pctrecov * newdate

Statistics for the Plotted Points
HEPTACHLOR EPOXIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 17 80% 12% 82% 10%
Upper Range 12 84% 9% 84% 6%
Total 29 82% 11% 84% 9%

Miscellaneous Statistics for the Samples
HEPTACHLOR EPOXIDE

Characteristic N % % Basis
Plotted 29 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 29 .  
False Negatives 0 0% 0 out of 29
Not Spiked 34 .  
False Positives 0 0% 0 out of 34