Plot of pctrecov * newdate

Statistics for the Plotted Points
CLOPYRALID

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 3 60% 17% 58% 25%
>= Reporting Level 27 55% 19% 57% 18%
Total 30 55% 18% 58% 16%

Miscellaneous Statistics for the Samples
CLOPYRALID

Characteristic N % % Basis
Plotted 30 88% Spiked
Estimated Values 22 65% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 2 6% Spiked
Spiked 34 .  
False Negatives 2 6% 2 out of 34
Not Spiked 70 .  
False Positives 0 0% 0 out of 70