Plot of pctrecov by newdate

Statistics for the Plotted Points
ACETYL HEXAMETHYL TETRAHYDRONAPHTHALENE (AHTN)

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 83% 9% 82% 9%
>= Reporting Level 42 80% 18% 75% 14%
Total 49 80% 17% 76% 13%

Miscellaneous Statistics for the Samples
ACETYL HEXAMETHYL TETRAHYDRONAPHTHALENE (AHTN)

Characteristic N % % Basis
Plotted 49 94% Spiked
Estimated Values 14 27% Spiked
Deleted Values 1 0% Spiked + Not Spiked
Spiked, Censored 2 4% Spiked
Spiked 53 .  
False Negatives 1 2% 1 out of 52
Not Spiked 171 .  
False Positives 1 1% 1 out of 171