Plot of pctrecov by newdate

Statistics for the Plotted Points
2,4-DIMETHYLPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 69% 33% 82% 29%
>= Reporting Level 25 65% 20% 68% 13%
Total 29 65% 21% 68% 15%

Miscellaneous Statistics for the Samples
2,4-DIMETHYLPHENOL

Characteristic N % % Basis
Plotted 29 97% Spiked
Estimated Values 10 33% Spiked
Deleted Values 2 2% Spiked + Not Spiked
Spiked, Censored 1 3% Spiked
Spiked 30 .  
False Negatives 0 0% 0 out of 30
Not Spiked 93 .  
False Positives 1 1% 1 out of 91