Plot of pctrecov by newdate

Statistics for the Plotted Points
2-CHLORONAPHTHALENE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 86% 6% 86% 6%
>= Reporting Level 38 84% 14% 87% 10%
Total 40 84% 14% 87% 9%

Miscellaneous Statistics for the Samples
2-CHLORONAPHTHALENE

Characteristic N % % Basis
Plotted 40 98% Spiked
Estimated Values 5 12% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 41 .  
False Negatives 0 0% 0 out of 41
Not Spiked 82 .  
False Positives 3 4% 3 out of 80