Plot of pctrecov * newdate

Statistics for the Plotted Points
PARATHION-METHYL

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 16 61% 28% 63% 28%
Upper Range 9 74% 11% 77% 7%
Total 25 66% 24% 68% 25%

Miscellaneous Statistics for the Samples
PARATHION-METHYL

Characteristic N % % Basis
Plotted 25 96% Spiked
Estimated Values 9 35% Spiked
Deleted Values 1 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 27 .  
False Negatives 1 4% 1 out of 26
Not Spiked 39 .  
False Positives 1 3% 1 out of 39