BQS OBSP Determination:
AMPHETAMINE
METHOD: 2440 , TESTIDCODE: 67461LCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
AMPHETAMINE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 20 73% 10% 73% 8%
Total 20 73% 10% 73% 8%

Sample Statistics
AMPHETAMINE

Characteristic N % % Basis
Plotted 20 100% Spiked
Estimated Values 9 45% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 20 .  
False Negatives 0 0% 0 out of 20
Not Spiked 32 .  
False Positives 0 0% 0 out of 32