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 106 98% 19% 99% 19%
Total 116 102% 25% 101% 20%

Miscellaneous Statistics for the Samples
PARATHION

Characteristic N % % Basis
Plotted 116 92% Spiked
Estimated Values 5 4% Spiked
Deleted Values 1 0% Spiked + Not Spiked
Spiked, Censored 8 6% Spiked
Spiked 127 .  
False Negatives 2 2% 2 out of 126
Not Spiked 95 .  
False Positives 1 1% 1 out of 95