Displaying associations between variables

Question 1

What are the 3 ways to display associations between categorical variables?

Answer 1

1. Contingency tables
2. Grouped bar graphs
3. Mosaic plot

Question 2

What is a contingency table?

Answer 2

A table with the frequency of occurrence of all combos of two or more categorical variables, where the value for one is contingent upon the other

Question 3

What are the 3 ways to display associations between a categorical and a numerical variable?

Answer 3

1. Multiple histograms
2. Cumulative frequency diagrams
3. Line plots if the data is ordinal

Question 4

What has to be kept consistent if using multiple histograms to display an association between a categorical and a numerical variable?

Answer 4

The scale. Can’t compare them if they’re on different scales

Question 5

What are the 3 ways to display associations between two numerical variables?

Answer 5

1. Maps
2. Scatterplots
3. Line plots