Plot of pctrecov by newdate

Statistics for the Plotted Points
NAPROPAMIDE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 180% 28% 200% 43%
>= Reporting Level 71 105% 24% 97% 23%
Total 78 112% 33% 101% 27%

Miscellaneous Statistics for the Samples
NAPROPAMIDE

Characteristic N % % Basis
Plotted 78 98% Spiked
Estimated Values 7 9% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 2 3% Spiked
Spiked 81 .  
False Negatives 0 0% 0 out of 80
Not Spiked 58 .  
False Positives 1 2% 1 out of 58