Plot of pctrecov by newdate

Statistics for the Plotted Points
PARA-NONYLPHENOL (TOTAL)

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 111% 60% 82% 46%
>= Reporting Level 36 100% 57% 76% 63%
Total 40 101% 57% 79% 62%

Miscellaneous Statistics for the Samples
PARA-NONYLPHENOL (TOTAL)

Characteristic N % % Basis
Plotted 40 83% Spiked
Estimated Values 40 83% Spiked
Deleted Values 5 2% Spiked + Not Spiked
Spiked, Censored 5 10% Spiked
Spiked 49 .  
False Negatives 3 6% 3 out of 48
Not Spiked 176 .  
False Positives 28 16% 28 out of 172