Plot of pctrecov * newdate

Statistics for the Plotted Points
2,4-DICHLOROPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 81% 24% 94% 20%
>= Reporting Level 22 76% 12% 77% 8%
Total 28 77% 15% 78% 11%

Miscellaneous Statistics for the Samples
2,4-DICHLOROPHENOL

Characteristic N % % Basis
Plotted 28 100% Spiked
Estimated Values 10 36% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 28 .  
False Negatives 0 0% 0 out of 28
Not Spiked 58 .  
False Positives 4 7% 4 out of 57