BQS OBSP Determination:
ALPRAZOLAM
METHOD: 2440 , TESTIDCODE: 68250LCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
ALPRAZOLAM

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 18 81% 16% 81% 13%
Total 18 81% 16% 81% 13%

Sample Statistics
ALPRAZOLAM

Characteristic N % % Basis
Plotted 18 95% Spiked
Estimated Values 6 32% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 19 .  
False Negatives 1 5% 1 out of 19
Not Spiked 33 .  
False Positives 3 9% 3 out of 33