Plot of pctrecov by newdate

Statistics for the Plotted Points
OCTYLPHENOL, DIETHOXY-

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 21 91% 33% 96% 38%
>= Reporting Level 25 23% 7% 23% 6%
Total 46 54% 41% 34% 51%

Miscellaneous Statistics for the Samples
OCTYLPHENOL, DIETHOXY-

Characteristic N % % Basis
Plotted 46 88% Spiked
Estimated Values 46 88% Spiked
Deleted Values 3 1% Spiked + Not Spiked
Spiked, Censored 4 8% Spiked
Spiked 53 .  
False Negatives 2 4% 2 out of 52
Not Spiked 183 .  
False Positives 16 9% 16 out of 181