1 Zip codes are an example of numerical data 2 Quantitative
1. Zip codes are an example of numerical data.
2. Quantitative data consist of numbers along with their units.
3. Cases is another name for the columns in a data table.
4. The number of rows in a data table is indicated by the symbol n.
5. The frequency of a time series refers to the time spacing between rows of data.
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