Plot of pctrecov by newdate

Statistics for the Plotted Points
CYPERMETHRIN

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 62% 5% 62% 5%
>= Reporting Level 61 63% 17% 61% 13%
Total 63 63% 17% 61% 13%

Miscellaneous Statistics for the Samples
CYPERMETHRIN

Characteristic N % % Basis
Plotted 63 98% Spiked
Estimated Values 63 98% Spiked
Deleted Values 2 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 64 .  
False Negatives 1 2% 1 out of 64
Not Spiked 118 .  
False Positives 1 1% 1 out of 116