Table I7.— A "Homogeneity of Within Sample Regression" of the total number of 



gill rakers for samples of striped bass from the Santee-Cooper River 

 System, South Carolina 



Residuals from individual 

 regressions 



Totals for single 

 regression l82 



37299-131 8.072 



Difference for homogeneity of regressions 



142.310 



177 135.162 



181 142 . 308 

 k 9.146 



F = 



_2,146A 

 133.162/177 



= 3.03* 



Table I8.— An analysis of covariance of the total number of gill raJcers for 



adjusted sample means of striped bass from the Santee-Cooper River 

 System 



Source 



d.f. 



3x2 



Sxy 



sy2 



Y adjusted for X 

 d.f. S.S. M.S. 



Total 



Samples 



Error 



186 



4 



182 



993175.658 



955876.527 



37299-131 



-5832.166 184.717 



-5840.238 42.407 



8.072 142.310 



181 142.308 0.786 



Samples 



+ Error I86 



Samples adjusted 



F = 2.60* 



993175.658 



-5832.166 184.717 



185 150.469 



4 8.161 2.040 



29 



