Plot of pctrecov * newdate

Statistics for the Plotted Points
1,4-DICHLOROBENZENE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 6 70% 22% 63% 30%
Upper Range 10 84% 9% 87% 5%
< Reporting Level 4 111% 29% 99% 28%
Total 20 85% 23% 88% 19%

Miscellaneous Statistics for the Samples
1,4-DICHLOROBENZENE

Characteristic N % % Basis
Plotted 20 83% Spiked
Estimated Values 6 25% Spiked
Deleted Values 3 5% Spiked + Not Spiked
Spiked, Censored 4 17% Spiked
Spiked 26 .  
False Negatives 0 0% 0 out of 24
Not Spiked 32 .  
False Positives 12 39% 12 out of 31