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Exercise 5 - Identifying & Working With Classification Systems
Based on our discussions and the pattern you can infer from the example in the table below, fill in the blank cells in this table.

Categories from a Classification System

Objective
or
Subjective

Nominal
Ordinal
Interval

Hierarchical
or
No Hierarchy

Apparent
Main
Purpose

Example
of
Proper Use

Example
of
Misuse

Wind:
Calm
Breeze
Gale
Storm
Hurricane

Objective

Ordinal

No Hierarchy

To classify wind speed from slow to fast, and harmless to destructive.

The National Weather Service currently reports gale force winds on Long Island.

Using the classification system to make a statement about air quality.

Paleontology:
Precambrian
Paleozoic
Mesozoic
Cenozoic

 

 

 

 

 

 

Music:
Classical
Country
Jazz
Folk

 

 

 

 

 

 

History:
United States
New York
Scotia

 

 

 

 

 

 
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© 1999-2001 by Jerry Moore      Page 6