#### Consortium for Mathematics and its Applications

Product ID: 99546
Supplementary Print
High School

# Measurement Scales (UMAP)

### Author: JoAnne Growney

This unit introduces four types of measurement scales -- nominal, ordinal, interval, and ratio -- and considers their uses and limitations. The question, When may two measurements be compared meaningfully? is posed and answered. The concept of utility is introduced. Students learn to interpret different measurement scales, see a variety of uses of meausrement scales, and learn to invent new scales to solve problems.

1. INTRODUCTION

2. TYPES OF MEASUREMENT SCALES
2.1 Nominal Scales
2.2 Ordinal Scales
2.3 Interval Scales
2.4 Ratio Scales

3. HISTORICAL DEVELOPMENT OF A MEASUREMENT SCALE

4. WHY ALL THE INTEREST IN MEASUREMENT SCALES?

5. COMPARING MEASUREMENTS

6. USING MEASUREMENT SCALES IN DECISION MAKING - UTILITY

7. SUMMARY

8. EXERCISES

9. SOLUTIONS TO EXERCISES

UMAP Module
23 pages

#### Mathematics Topics:

Precalculus & Trigonometry , Probability & Statistics

#### Application Areas:

Physical Sciences , Psychological Sciences , Social Studies , Various

#### Prerequisites:

Knowledge of arithmetic

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