BQS OBSP Determination:
PROPOXYPHENE
METHOD: 2440 , TESTIDCODE: 68009LCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
PROPOXYPHENE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 22 67% 26% 59% 11%
Total 22 67% 26% 59% 11%

Sample Statistics
PROPOXYPHENE

Characteristic N % % Basis
Plotted 22 96% Spiked
Estimated Values 5 22% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 23 .  
False Negatives 1 4% 1 out of 23
Not Spiked 29 .  
False Positives 0 0% 0 out of 29