BQS OBSP Determination:
2,4-D
METHOD: 2437 , TESTIDCODE: 68500LCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
2,4-D

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 22 123% 53% 112% 36%
Total 22 123% 53% 112% 36%

Sample Statistics
2,4-D

Characteristic N % % Basis
Plotted 22 85% Spiked
Estimated Values 5 19% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 4% Spiked
Spiked 26 .  
False Negatives 3 12% 3 out of 26
Not Spiked 22 .  
False Positives 0 0% 0 out of 22