Plot of pctrecov by newdate

Statistics for the Plotted Points
PARATHION

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 10 143% 41% 135% 51%
>= Reporting Level 93 95% 17% 96% 18%
Total 103 100% 24% 98% 19%

Miscellaneous Statistics for the Samples
PARATHION

Characteristic N % % Basis
Plotted 103 91% Spiked
Estimated Values 5 4% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 8 7% Spiked
Spiked 114 .  
False Negatives 2 2% 2 out of 113
Not Spiked 85 .  
False Positives 1 1% 1 out of 85