Plot of pctrecov * newdate

Statistics for the Plotted Points
3-BETA-COPROSTANOL

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 22 52% 18% 50% 20%
Upper Range 20 54% 21% 52% 19%
< Reporting Level 8 78% 20% 81% 18%
Total 50 57% 22% 56% 26%

Miscellaneous Statistics for the Samples
3-BETA-COPROSTANOL

Characteristic N % % Basis
Plotted 50 77% Spiked
Estimated Values 29 45% Spiked
Deleted Values 2 3% Spiked + Not Spiked
Spiked, Censored 11 17% Spiked
Spiked 67 .  
False Negatives 4 6% 4 out of 65
Not Spiked 10 .  
False Positives 0 0% 0 out of 10