Activity focus
- two-way table parts
- row, column, and grand totals
- first interpretation of association
Practice set
- Define:
- cell count
- row total
- column total
- A table shows branch and transport mode. What kind of variables are these?
- Why is a two-way table useful before graphing?
Answer key
-
- cell count: count for one category combination
- row total: sum across a row
- column total: sum down a column
- Both categorical
- It organizes the joint distribution clearly.