Plot of pctrecov * newdate

Statistics for the Plotted Points
3-BETA-COPROSTANOL

Spike Level N Mean Std-Dev. Median F_Pseudo
Lower Range 32 57% 21% 56% 23%
Upper Range 22 54% 22% 52% 24%
< Reporting Level 8 78% 20% 81% 18%
Total 62 59% 22% 57% 24%

Miscellaneous Statistics for the Samples
3-BETA-COPROSTANOL

Characteristic N % % Basis
Plotted 62 79% Spiked
Estimated Values 36 46% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 11 14% Spiked
Spiked 79 .  
False Negatives 5 6% 5 out of 78
Not Spiked 44 .  
False Positives 0 0% 0 out of 44