Plot of pctrecov * newdate

Statistics for the Plotted Points
2-HYDROXYATRAZINE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 5 119% 10% 119% 11%
>= Reporting Level 32 89% 53% 103% 77%
Total 37 93% 50% 110% 70%

Miscellaneous Statistics for the Samples
2-HYDROXYATRAZINE

Characteristic N % % Basis
Plotted 37 95% Spiked
Estimated Values 24 62% Spiked
Deleted Values 7 7% Spiked + Not Spiked
Spiked, Censored 1 3% Spiked
Spiked 40 .  
False Negatives 1 3% 1 out of 39
Not Spiked 65 .  
False Positives 5 8% 5 out of 59