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 44 65% 18% 68% 17%
Total 48 66% 20% 69% 17%

Miscellaneous Statistics for the Samples
2,4-DIMETHYLPHENOL

Characteristic N % % Basis
Plotted 48 98% Spiked
Estimated Values 18 37% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 49 .  
False Negatives 0 0% 0 out of 49
Not Spiked 98 .  
False Positives 1 1% 1 out of 96