Plot of pctrecov * newdate

Statistics for the Plotted Points
P,P'-METHOXYCHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 23 90% 42% 79% 12%
Upper Range 13 82% 17% 78% 19%
Total 36 87% 35% 79% 16%

Miscellaneous Statistics for the Samples
P,P'-METHOXYCHLOR

Characteristic N % % Basis
Plotted 36 97% Spiked
Estimated Values 6 16% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 37 .  
False Negatives 1 3% 1 out of 37
Not Spiked 26 .  
False Positives 1 4% 1 out of 26