Table 3. -The Strongest Per Cent Eeductions in Longshore Current Velocity 



Sum of Squares Attributable to Each of Several Combinations of 



Thirteen Independent Variables. (Total Percent Reduction^ All Xs 

 69.97). 



Percent 

 Independent Variable Combinations Reduction in SS 



Two Xs 









5 



7 





at a time 



1 





3 



5 

 5 

 5 

 5 « 



D 



10 



Three Xs 



1 







5 



7 





at a time 



1 

 1 



1 



2 



3 



5 

 5 

 5 



5 



7 



10 



Four Xs 



1 





3 



5 



7 





at a time 



1 

 1 







5 

 5 



7 

 7 



10 





1 



2 





5 



7 







1 







5 



7 







1 





3 



5 





10 



h 5 



Five Xs 



1 



2 



3 





5 





10 





at a time 



1 





3 





5 



7 



10 







1 





3 





5 



7 





11 





1 



2 



3 





5 



7 









1 









5 



7 



10 



11 



Six Xs 



1 



2 



3 





5 



7 



10 





at a time 



1 





3 





5 



7 



10 



11 





1 



2 



3 





5 





10 







1 



2 



3 





5 



8 



10 







1 



2 



3 



1+ 



5 





10 





Seven Xs 



1 



2 



3 





5 6 7 



10 





at a time 



1 



2 



3 





5 



7 



10 







1 



2 



3 





5 



7 



10 



11 





1 



2 



3 



h 



5 



7 



10 







1 



2 



3 





5 



7 



10 





5^.21 

 53.91 

 50.77 

 50.09 

 ^9-86 



60.69 

 57.^1 

 57.03 

 11 56.02 



56.02 



62.23 



61.96 



11 61.85 



61.50 



12 61.37 



61.19 



60.90 



13 60.72 



6U.53 



6k. Of 

 63.52 

 63.35 

 63.02 



66.39 

 65.25 

 13 65.02 



6ii.95 

 6i+.92 



67.56 



12 66.72 



66.67 



66.60 



13 66.53 



21 



