Plot of pctrecov by newdate

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

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 91% 23% 97% 25%
>= Reporting Level 34 51% 35% 44% 46%
Total 39 56% 36% 49% 54%

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

Characteristic N % % Basis
Plotted 39 81% Spiked
Estimated Values 39 81% Spiked
Deleted Values 1 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 49 .  
False Negatives 9 19% 9 out of 48
Not Spiked 175 .  
False Positives 5 3% 5 out of 175