Plot of pctrecov by newdate

Statistics for the Plotted Points
1-NAPHTHOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 58% 25% 64% 30%
>= Reporting Level 34 35% 18% 33% 20%
Total 42 40% 21% 36% 24%

Miscellaneous Statistics for the Samples
1-NAPHTHOL

Characteristic N % % Basis
Plotted 42 98% Spiked
Estimated Values 42 98% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 43 .  
False Negatives 1 2% 1 out of 43
Not Spiked 87 .  
False Positives 5 6% 5 out of 85