Plot of pctrecov * newdate

Statistics for the Plotted Points
CHLORPYRIFOS

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 94 91% 19% 93% 13%
Upper Range 53 88% 14% 90% 14%
Total 147 90% 17% 92% 14%

Miscellaneous Statistics for the Samples
CHLORPYRIFOS

Characteristic N % % Basis
Plotted 147 99% Spiked
Estimated Values 3 2% Spiked
Deleted Values 8 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 155 .  
False Negatives 2 1% 2 out of 149
Not Spiked 131 .  
False Positives 4 3% 4 out of 129