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 28 86% 19% 83% 14%
>= Reporting Level 41 70% 25% 75% 19%
Total 69 77% 24% 81% 16%

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

Characteristic N % % Basis
Plotted 69 78% Spiked
Estimated Values 42 48% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 9 10% Spiked
Spiked 88 .  
False Negatives 10 11% 10 out of 88
Not Spiked 118 .  
False Positives 14 12% 14 out of 118