Plot of pctrecov * newdate

Statistics for the Plotted Points
4-METHYL-2-PENTANONE

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 122% 23% 124% 23%
>= Reporting Level 35 97% 11% 96% 12%
Total 41 100% 16% 97% 12%

Miscellaneous Statistics for the Samples
4-METHYL-2-PENTANONE

Characteristic N % % Basis
Plotted 41 82% Spiked
Estimated Values 26 52% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 7 14% Spiked
Spiked 50 .  
False Negatives 2 4% 2 out of 50
Not Spiked 129 .  
False Positives 0 0% 0 out of 129