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 8 85% 10% 84% 9%
>= Reporting Level 25 83% 16% 80% 16%
Total 33 84% 15% 81% 15%

Miscellaneous Statistics for the Samples
ACETYL HEXAMETHYL TETRAHYDRONAPHTHALENE (AHTN)

Characteristic N % % Basis
Plotted 33 92% Spiked
Estimated Values 11 31% Spiked
Deleted Values 5 2% Spiked + Not Spiked
Spiked, Censored 2 6% Spiked
Spiked 37 .  
False Negatives 1 3% 1 out of 36
Not Spiked 188 .  
False Positives 1 1% 1 out of 184