Plot of pctrecov by newdate

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

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 67% 9% 67% 9%
>= Reporting Level 33 49% 34% 40% 43%
Total 35 50% 34% 48% 43%

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

Characteristic N % % Basis
Plotted 35 80% Spiked
Estimated Values 35 80% Spiked
Deleted Values 3 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 45 .  
False Negatives 9 20% 9 out of 44
Not Spiked 191 .  
False Positives 9 5% 9 out of 189