2. Dr. Michael R. Hyman, NMSU Levels of Measurement (Click icon for audio)

3. 2 Types of Measurement Scales Nominal/categorical Ordinal/rank order Interval Ratio

4. 3 Nominal/Categorical Data Zip code of residence Employment status Marital status Gender Race Religion Ethnicity

5. 4 Ordinal Data

6. 5 Interval Data

7. 6

8. 7 Ratio Data Market share Sales (units and dollars) Income Number of salespersons per territory Number of full-time employed members of household Number of children in household

9. 8 Properties of Measurement Scales

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11. 10

12. 11 Properties of Measurement Scales

13. 12

14. 13 Take measurements at highest level Measure can’t exceed basic nature of attribute e.g., taste

15. 14 Permissible Statistics

16. 15 Descriptive Statistics for Different Scale Types

17. 16 Recap Levels of measurement –Nominal, ordinal, interval, and ratio Properties of scales –Order, distance, and origin Permissible statistics