Plot of pctrecov * newdate

Statistics for the Plotted Points
PHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 12 78% 24% 75% 20%
Upper Range 11 70% 18% 71% 19%
< Reporting Level 3 72% 38% 94% 49%
Total 26 74% 23% 71% 22%

Miscellaneous Statistics for the Samples
PHENOL

Characteristic N % % Basis
Plotted 26 90% Spiked
Estimated Values 10 34% Spiked
Deleted Values 2 3% Spiked + Not Spiked
Spiked, Censored 1 3% Spiked
Spiked 31 .  
False Negatives 2 7% 2 out of 29
Not Spiked 27 .  
False Positives 3 11% 3 out of 27