period. The symbols h^±, 1"^^, and k^. must therefore be Interpreted (for 

 computational simplicity) as h^^+hV^, ^{^^^'l^) '^li+^iiJ respectively. 



In order to clarify the meanings of the quantities pertaining to 

 the complete census, a sample complete census worksheet , together with 

 various marginal summaries, is given in Figure 11. 



6 7 8 9 



14 15 16 17 Hr Cr 



— 3.50 1.75 



— 4 4 



1-2 I- 1 I 



Figure 11. Complete census worksheet with marginal summaries. 



36 



