Since the efficiency of systematic sampling depends on the arrangement of the population units, an attempt is also made to rearrange Cochran (1977) [1] data (Table 8.3, p. 211), in order of magnitude; same sample of size 4 n= was taking, 40 N= and 10 k= . With this arrangement, for all possible systematic samples our esti-mates are:
( ) ( ) ( )