Plot of pctrecov by newdate

Statistics for the Plotted Points
ETHOPROPHOS

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 143% 53% 161% 41%
>= Reporting Level 70 106% 21% 107% 18%
Total 75 109% 26% 108% 19%

Miscellaneous Statistics for the Samples
ETHOPROPHOS

Characteristic N % % Basis
Plotted 75 99% Spiked
Estimated Values 5 7% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 78 .  
False Negatives 1 1% 1 out of 76
Not Spiked 104 .  
False Positives 1 1% 1 out of 104