The following items describe a column in a data table. On the basis of the description, assign a one- or two-word name to the variable, indicate its type (categorical, ordinal, or numerical), and describe the cases. If the data are a time series, identify the frequency of the data. The first item is done as an example.
|Model of cellular telephone used by customers||Model||✓||Customers|
|Weights of people, measured in pounds||Weight||✓||People|
|1. Brand of car owned by drivers|
|2. Income of households, measured in dollars|
|3. Color preference of consumers in a focus group|
|4. Counts of customers who shop at outlets of a chain of retail stores|