Plot of pctrecov by newdate

Statistics for the Plotted Points
2,4-D

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 92% 20% 89% 5%
>= Reporting Level 54 92% 30% 91% 18%
Total 60 92% 29% 91% 17%

Miscellaneous Statistics for the Samples
2,4-D

Characteristic N % % Basis
Plotted 60 92% Spiked
Estimated Values 16 25% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 2 3% Spiked
Spiked 65 .  
False Negatives 3 5% 3 out of 65
Not Spiked 76 .  
False Positives 9 12% 9 out of 76