Plot of pctrecov by newdate

Statistics for the Plotted Points
4-CUMYLPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 109% 17% 106% 21%
>= Reporting Level 72 65% 22% 64% 17%
Total 76 67% 24% 66% 19%

Miscellaneous Statistics for the Samples
4-CUMYLPHENOL

Characteristic N % % Basis
Plotted 76 96% Spiked
Estimated Values 18 23% Spiked
Deleted Values 3 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 82 .  
False Negatives 3 4% 3 out of 79
Not Spiked 131 .  
False Positives 0 0% 0 out of 131