Table 3. Annual mean, standard error, and precision associated with the reduction 

 of sample effort using 1976 impingement data from Millstone Point Unit 1. 



No. 



Samples 



Per Week 



Mean ( fish ) + 2 Standard 

 Day error 



'Precision 



1) at the 95% confidence level 



2) Precision = ( 1 - — — ) 



Mean 



