Plot of pctrecov by newdate

Statistics for the Plotted Points
OCTYLPHENOL, DIETHOXY-

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 21 87% 35% 81% 44%
>= Reporting Level 34 39% 32% 26% 20%
Total 55 58% 40% 44% 43%

Miscellaneous Statistics for the Samples
OCTYLPHENOL, DIETHOXY-

Characteristic N % % Basis
Plotted 55 90% Spiked
Estimated Values 55 90% Spiked
Deleted Values 1 0% Spiked + Not Spiked
Spiked, Censored 4 7% Spiked
Spiked 62 .  
False Negatives 2 3% 2 out of 61
Not Spiked 162 .  
False Positives 12 7% 12 out of 162