This example compares the way that different sampling methods select items. This example has the following characteristics:
| • | x represents a selection. |
| • | t represents a top stratum item selection. |
| • | The columns under each sampling method show the amount sampled. |
| • | Cell method: the amounts included in each cell are shaded. |
| • | Random method: in this example, arbitrary random numbers have been used for the random selections. |