Plot of pctrecov by newdate

Statistics for the Plotted Points
OCTYLPHENOL, DIETHOXY-

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 19 92% 34% 96% 41%
>= Reporting Level 23 23% 8% 23% 7%
Total 42 54% 42% 34% 54%

Miscellaneous Statistics for the Samples
OCTYLPHENOL, DIETHOXY-

Characteristic N % % Basis
Plotted 42 88% Spiked
Estimated Values 42 88% Spiked
Deleted Values 3 1% Spiked + Not Spiked
Spiked, Censored 4 8% Spiked
Spiked 49 .  
False Negatives 2 4% 2 out of 48
Not Spiked 164 .  
False Positives 14 9% 14 out of 162