Plot of pctrecov by newdate

Statistics for the Plotted Points
CLOPYRALID

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 62% 11% 62% 7%
>= Reporting Level 79 53% 20% 52% 24%
Total 85 53% 20% 53% 23%

Miscellaneous Statistics for the Samples
CLOPYRALID

Characteristic N % % Basis
Plotted 85 89% Spiked
Estimated Values 57 60% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 2 2% Spiked
Spiked 95 .  
False Negatives 8 8% 8 out of 95
Not Spiked 138 .  
False Positives 0 0% 0 out of 138