Plot of pctrecov * newdate

Statistics for the Plotted Points
2,4-D METHYL ESTER

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 54 60% 31% 60% 45%
Upper Range 23 64% 24% 63% 25%
Total 77 61% 29% 61% 35%

Miscellaneous Statistics for the Samples
2,4-D METHYL ESTER

Characteristic N % % Basis
Plotted 77 83% Spiked
Estimated Values 5 5% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 93 .  
False Negatives 16 17% 16 out of 93
Not Spiked 60 .  
False Positives 33 55% 33 out of 60