Plot of pctrecov by newdate

Statistics for the Plotted Points
PARATHION-METHYL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 177% 21% 177% 32%
>= Reporting Level 33 78% 20% 75% 16%
Total 39 93% 41% 77% 22%

Miscellaneous Statistics for the Samples
PARATHION-METHYL

Characteristic N % % Basis
Plotted 39 100% Spiked
Estimated Values 7 18% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 39 .  
False Negatives 0 0% 0 out of 39
Not Spiked 91 .  
False Positives 0 0% 0 out of 89