ZIP codes The Postal Service uses five-digit ZIP codes to
Chapter 2, Problem 6E(choose chapter or problem)
Problem 6E
ZIP codes The Postal Service uses five-digit ZIP codes to identify locations to assist in delivering mail.
a) In what sense are ZIP codes categorical?
b) Is there any ordinal sense to ZIP codes? In other words, does a larger ZIP code tell you anything about a location compared to a smaller ZIP code?
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