Plot of pctrecov * newdate

Statistics for the Plotted Points
P,P'-DDE

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 69 72% 12% 72% 8%
Upper Range 54 72% 11% 70% 12%
< Reporting Level 5 63% 13% 64% 9%
Total 128 72% 12% 71% 9%

Miscellaneous Statistics for the Samples
P,P'-DDE

Characteristic N % % Basis
Plotted 128 100% Spiked
Estimated Values 7 5% Spiked
Deleted Values 3 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 130 .  
False Negatives 0 0% 0 out of 128
Not Spiked 156 .  
False Positives 5 3% 5 out of 155