User's Manual

98
Chapter 13
Figure 13-5
Sampling Wizard, Design Variables step (stage 2)
E Select Neighborhood as a stratification variable.
E Click Next, and then click Next in the Sampling Method s tep.
This design structure means that independent samples are drawn for each neighborhood of the
townships d rawn in stage 1. In this stage, properties are drawn as the primary sampling u nit using
simple random sampling.