BQS OBSP Determination:
1,7-DIMETHYLXANTHINE (P-XANTHINE)
METHOD: 2440 , TESTIDCODE: 67446LCM56
Open Data Set
Plotted Points Statistics
1,7-DIMETHYLXANTHINE (P-XANTHINE)
Spike Level
N
Mean
Std-Dev.
Median
F_Pseudo
< Reporting Level
1
79%
.
79%
0%
>= Reporting Level
73
114%
33%
113%
38%
Total
74
113%
33%
112%
39%
Sample Statistics
1,7-DIMETHYLXANTHINE (P-XANTHINE)
Characteristic
N
%
% Basis
Plotted
74
97%
Spiked
Estimated Values
27
36%
Spiked
Deleted Values
0
0%
Spiked + Not Spiked
Spiked, Censored
1
1%
Spiked
Spiked
76
.
False Negatives
1
1%
1 out of 76
Not Spiked
39
.
False Positives
0
0%
0 out of 39