unit i Ei Xij fi
1 1 1 2
2 1 1 4
3 1 1 6
4 0 1 3
5 0 1 4
6 0 1 1
1 1 0 1
2 1 0 1
3 1 0 1
4 0 0 1
5 0 0 1
6 0 0 2
Table 2: The data of Table 1 reorganized: for the first set of n observations: let for each unit i fi=Yi=#{Xij=1} denote the count of 1s in the binary set Xi1, · · · ,XiTi and for the second set of n observations: let for each unit i fi=Ti-Yi=#{Xij=0} denote the number of 0s.