Plot of pctrecov by newdate

Statistics for the Plotted Points
OCTYLPHENOL, DIETHOXY-

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 15 84% 33% 81% 44%
>= Reporting Level 26 44% 36% 25% 35%
Total 41 59% 40% 49% 54%

Miscellaneous Statistics for the Samples
OCTYLPHENOL, DIETHOXY-

Characteristic N % % Basis
Plotted 41 89% Spiked
Estimated Values 41 89% Spiked
Deleted Values 5 2% Spiked + Not Spiked
Spiked, Censored 4 9% Spiked
Spiked 47 .  
False Negatives 1 2% 1 out of 46
Not Spiked 178 .  
False Positives 4 2% 4 out of 174