Plot of pctrecov * newdate

Statistics for the Plotted Points
BENZO[GHI]PERYLENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 7 81% 41% 63% 18%
Upper Range 10 91% 43% 80% 33%
Total 17 87% 41% 78% 17%

Miscellaneous Statistics for the Samples
BENZO[GHI]PERYLENE

Characteristic N % % Basis
Plotted 17 100% Spiked
Estimated Values 4 24% Spiked
Deleted Values 1 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 17 .  
False Negatives 0 0% 0 out of 17
Not Spiked 39 .  
False Positives 1 3% 1 out of 38