BQS OBSP Determination:
CARBOFURAN
SCHEDULE: 2001 , TESTIDCODE: 82674GCM35
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
CARBOFURAN

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 13 419% 500% 167% 69%
>= Reporting Level 58 150% 264% 99% 40%
Total 71 199% 332% 117% 48%

Sample Statistics
CARBOFURAN

Characteristic N % % Basis
Plotted 71 100% Spiked
Estimated Values 71 100% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 71 .  
False Negatives 0 0% 0 out of 71
Not Spiked 59 .  
False Positives 1 2% 1 out of 59