BQS OBSP Determination:
PHOSMET OXON
SCHEDULE: 2033 , TESTIDCODE: 61668GCM39
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
PHOSMET OXON

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 9 38% 20% 34% 19%
>= Reporting Level 27 69% 52% 58% 50%
Total 36 61% 48% 48% 45%

Sample Statistics
PHOSMET OXON

Characteristic N % % Basis
Plotted 36 71% Spiked
Estimated Values 36 71% Spiked
Deleted Values 15 8% Spiked + Not Spiked
Spiked, Censored 2 4% Spiked
Spiked 53 .  
False Negatives 13 25% 13 out of 51
Not Spiked 129 .  
False Positives 0 0% 0 out of 116