Plot of pctrecov by newdate

Statistics for the Plotted Points
NONYLPHENOL, DIETHOXY- (TOTAL)

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 33 49% 34% 40% 43%
Total 33 49% 34% 40% 43%

Miscellaneous Statistics for the Samples
NONYLPHENOL, DIETHOXY- (TOTAL)

Characteristic N % % Basis
Plotted 33 83% Spiked
Estimated Values 33 83% Spiked
Deleted Values 3 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 41 .  
False Negatives 7 18% 7 out of 40
Not Spiked 172 .  
False Positives 9 5% 9 out of 170