Plot of pctrecov by newdate

Statistics for the Plotted Points
2,4-D METHYL ESTER

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 33 86% 19% 84% 14%
>= Reporting Level 50 70% 24% 75% 18%
Total 83 77% 23% 81% 16%

Miscellaneous Statistics for the Samples
2,4-D METHYL ESTER

Characteristic N % % Basis
Plotted 83 81% Spiked
Estimated Values 56 55% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 9 9% Spiked
Spiked 102 .  
False Negatives 10 10% 10 out of 102
Not Spiked 131 .  
False Positives 11 8% 11 out of 131