Plot of pctrecov * newdate

Statistics for the Plotted Points
S,S,S-TRIBUTYLPHOSPHOROTRITHIOATE (DEF)

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 9 39% 26% 34% 19%
Upper Range 6 35% 22% 28% 30%
Total 15 37% 24% 29% 22%

Miscellaneous Statistics for the Samples
S,S,S-TRIBUTYLPHOSPHOROTRITHIOATE (DEF)

Characteristic N % % Basis
Plotted 15 79% Spiked
Estimated Values 10 53% Spiked
Deleted Values 5 7% Spiked + Not Spiked
Spiked, Censored 1 5% Spiked
Spiked 20 .  
False Negatives 3 16% 3 out of 19
Not Spiked 54 .  
False Positives 0 0% 0 out of 50