Plot of pctrecov * newdate

Statistics for the Plotted Points
P,P'-METHOXYCHLOR

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 25 94% 41% 80% 19%
Upper Range 28 84% 17% 83% 18%
Total 53 88% 31% 82% 18%

Miscellaneous Statistics for the Samples
P,P'-METHOXYCHLOR

Characteristic N % % Basis
Plotted 53 98% Spiked
Estimated Values 4 7% Spiked
Deleted Values 2 3% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 56 .  
False Negatives 1 2% 1 out of 54
Not Spiked 17 .  
False Positives 1 6% 1 out of 17