Table 4, Calculations for the sine method of adjusting zooplankton 

 sample volumes for differences related to time of day of 

 hauling, using as an example vol-omes from cruise 8, John R^. 

 Ivlanning o (Cont'do) 



SY = 47.828 

 f •■= 1.3286 



SY^ = 64ol33048 



(SY)2/n = 63.542155 

 Sy2 0.590893 



SXY = 5.566545 

 (SX)(SY)/n = 2.906880 

 Sxy = 2.659665 



b = Sxy/Sx^ 



= 2 .659665/17.874278 = 0.1488 



^ = y / t (X - x) 



= 1,3195 / 0,1488 X 



Test of significance of the regression; 



Sdy„x^ = Sy^ - (Sxy)^/Sx^ = 0.195139 



Sy^3j.2 = Sdy^xVn-2 = 0,005739 



3^2 = Sy^x2/sx2 = 0,00032110 



Sb = 0,0179 



t = b/s^ = 8.313 . P<0o001 



With 34 degrees of freedom, "t.OOl - 3.608; thus there is 

 evidenced a highly significant regression of Y on X. 



22 



