Explain the differences among nominal, ordinal, interval and ratio scales, and provide examples of nominal measurement.
Understand the Problem
The image presents information about different types of measurement scales, specifically focusing on the nominal scale, ordinal, interval and ratio scales
Answer
The four scales of measurement are nominal, ordinal, interval, and ratio. Nominal scale classifies data into unordered categories, like gender or blood type.
The four scales of measurement are nominal, ordinal, interval, and ratio. Nominal scale is the lowest level and classifies data into mutually exclusive, unordered categories. Examples include gender (male/female), blood type (A, B, O, AB), and marital status (single, married, divorced, widowed).
Answer for screen readers
The four scales of measurement are nominal, ordinal, interval, and ratio. Nominal scale is the lowest level and classifies data into mutually exclusive, unordered categories. Examples include gender (male/female), blood type (A, B, O, AB), and marital status (single, married, divorced, widowed).
More Information
Understanding the level of measurement helps in deciding which statistical tests are suitable for the data.
Tips
It's a common mistake to confuse ordinal and interval scales. Remember, only interval scales have equal intervals between values.
Sources
- Levels of Measurement: Nominal, Ordinal, Interval & Ratio - questionpro.com
- Nominal, Ordinal, Interval & Ratio: Explained Simply - Grad Coach - gradcoach.com
- Levels of Measurement | Nominal, Ordinal, Interval and Ratio - scribbr.com
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