BQS OBSP Determination:
CLOPYRALID
SCHEDULE: 2060 , TESTIDCODE: 49305LCM29
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
CLOPYRALID

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 49% 16% 53% 20%
>= Reporting Level 67 58% 23% 57% 27%
Total 73 57% 23% 56% 27%

Sample Statistics
CLOPYRALID

Characteristic N % % Basis
Plotted 73 95% Spiked
Estimated Values 64 83% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 77 .  
False Negatives 4 5% 4 out of 77
Not Spiked 91 .  
False Positives 0 0% 0 out of 91