Plot of pctrecov * newdate

Statistics for the Plotted Points
P,P'-METHOXYCHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 49 90% 33% 82% 21%
Total 49 90% 33% 82% 21%

Miscellaneous Statistics for the Samples
P,P'-METHOXYCHLOR

Characteristic N % % Basis
Plotted 49 96% Spiked
Estimated Values 11 22% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 52 .  
False Negatives 2 4% 2 out of 51
Not Spiked 40 .  
False Positives 2 5% 2 out of 40