BQS OBSP Determination:
1,7-DIMETHYLXANTHINE (P-XANTHINE)
METHOD: 2440 , TESTIDCODE: 67446LCM56
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
1,7-DIMETHYLXANTHINE (P-XANTHINE)

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 34 103% 23% 101% 29%
Total 34 103% 23% 101% 29%

Sample Statistics
1,7-DIMETHYLXANTHINE (P-XANTHINE)

Characteristic N % % Basis
Plotted 34 97% Spiked
Estimated Values 3 9% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 35 .  
False Negatives 1 3% 1 out of 35
Not Spiked 17 .  
False Positives 0 0% 0 out of 17