Plot of pctrecov * newdate

Statistics for the Plotted Points
4-NITROPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 82% 22% 94% 29%
>= Reporting Level 24 56% 17% 51% 16%
Total 27 59% 19% 54% 18%

Miscellaneous Statistics for the Samples
4-NITROPHENOL

Characteristic N % % Basis
Plotted 27 93% Spiked
Estimated Values 27 93% Spiked
Deleted Values 3 3% Spiked + Not Spiked
Spiked, Censored 1 3% Spiked
Spiked 30 .  
False Negatives 0 0% 0 out of 29
Not Spiked 56 .  
False Positives 2 4% 2 out of 54