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Know what cross tabulations are and what information
they provide. What makes
them appropriate for nominal data?
If you got this one right, you really
understand the principles
(or you got lucky on a 50/50 guess). Both scatter
plots and
cross-tabulations show visually how the two variables relate to one
another. The only difference is that the range in the cross-tabulations
are
usually restricted to a small number of categories and those
categories often
have no inherent order.