Plot of pctrecov by newdate

Statistics for the Plotted Points
2-HYDROXYATRAZINE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 4 60% 39% 57% 49%
>= Reporting Level 37 83% 34% 87% 34%
Total 41 81% 35% 85% 35%

Miscellaneous Statistics for the Samples
2-HYDROXYATRAZINE

Characteristic N % % Basis
Plotted 41 98% Spiked
Estimated Values 17 40% Spiked
Deleted Values 4 3% Spiked + Not Spiked
Spiked, Censored 1 2% Spiked
Spiked 43 .  
False Negatives 0 0% 0 out of 42
Not Spiked 98 .  
False Positives 11 12% 11 out of 95