Plot of pctrecov by newdate

Statistics for the Plotted Points
PARATHION

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 170% 52% 200% 66%
>= Reporting Level 69 102% 20% 102% 17%
Total 72 105% 26% 103% 18%

Miscellaneous Statistics for the Samples
PARATHION

Characteristic N % % Basis
Plotted 72 90% Spiked
Estimated Values 0 0% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 6 8% Spiked
Spiked 81 .  
False Negatives 2 3% 2 out of 80
Not Spiked 58 .  
False Positives 1 2% 1 out of 58