When you see a group of individuals summarized into a single contingency table containing only one row variable and one column variable, what should your reaction be?
A)Great; this data is clear and easy to understand.
B)I need to find out if the data have been collapsed over some important third variable.
C)This is garbage; there is always more to a statistical relationship than just two simple variables.
D)None of the above.

Question

Quizplus · Accepted Answer

When a group of individuals are summarized into a single contingency table containing only one row variable and one column variable, it is important to find out if the data have been collapsed over some important third variable. This is because there may be other factors at play that are not apparent from just looking at two simple variables. Therefore, it is important to investigate further to ensure the data is not misleading or incomplete.

When You See a Group of Individuals Summarized into a Single