ZIP codes The Postal Service uses five-digit ZIP codes to identify locations to assist in delivering mail.
Question:
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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Related Book For
Stats Data And Models
ISBN: 662
4th Edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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