Plot of pctrecov * newdate

Statistics for the Plotted Points
BENZO[K]FLUORANTHENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 10 67% 15% 70% 14%
Upper Range 4 90% 33% 77% 27%
Total 14 74% 23% 70% 11%

Miscellaneous Statistics for the Samples
BENZO[K]FLUORANTHENE

Characteristic N % % Basis
Plotted 14 100% Spiked
Estimated Values 7 50% Spiked
Deleted Values 3 5% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 15 .  
False Negatives 0 0% 0 out of 14
Not Spiked 43 .  
False Positives 1 2% 1 out of 41