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 47 84% 15% 88% 11%
Total 49 84% 15% 88% 9%

Miscellaneous Statistics for the Samples
2-CHLORONAPHTHALENE

Characteristic N % % Basis
Plotted 49 98% Spiked
Estimated Values 7 14% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 50 .  
False Negatives 0 0% 0 out of 50
Not Spiked 90 .  
False Positives 1 1% 1 out of 88