Plot of pctrecov * newdate

Statistics for the Plotted Points
CHLORPYRIFOS

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 92 94% 18% 95% 14%
Upper Range 60 90% 13% 92% 14%
Total 152 93% 16% 94% 13%

Miscellaneous Statistics for the Samples
CHLORPYRIFOS

Characteristic N % % Basis
Plotted 152 99% Spiked
Estimated Values 3 2% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 1% Spiked
Spiked 154 .  
False Negatives 1 1% 1 out of 154
Not Spiked 93 .  
False Positives 3 3% 3 out of 93