BQS OBSP Determination:
NICOTINE
METHOD: 2440 , TESTIDCODE: 67493LCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
NICOTINE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 36 60% 26% 56% 22%
Total 36 60% 26% 56% 22%

Sample Statistics
NICOTINE

Characteristic N % % Basis
Plotted 36 97% Spiked
Estimated Values 8 22% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 37 .  
False Negatives 1 3% 1 out of 37
Not Spiked 15 .  
False Positives 2 13% 2 out of 15