BQS OBSP Determination:
CAFFEINE
METHOD: 2440 , TESTIDCODE: 67440LCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
CAFFEINE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 33 79% 22% 76% 11%
Total 33 79% 22% 76% 11%

Sample Statistics
CAFFEINE

Characteristic N % % Basis
Plotted 33 97% Spiked
Estimated Values 10 29% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 3% Spiked
Spiked 34 .  
False Negatives 0 0% 0 out of 34
Not Spiked 18 .  
False Positives 2 11% 2 out of 18