BQS OBSP Determination:
COTININE
METHOD: 2440 , TESTIDCODE: 67444LCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
COTININE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 30 80% 14% 80% 16%
Total 30 80% 14% 80% 16%

Sample Statistics
COTININE

Characteristic N % % Basis
Plotted 30 88% Spiked
Estimated Values 7 21% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 34 .  
False Negatives 4 12% 4 out of 34
Not Spiked 18 .  
False Positives 2 11% 2 out of 18