Is GPA interval or ratio?
Understand the Problem
The question is asking about the type of measurement scale that GPA (Grade Point Average) represents, specifically whether it falls under the category of an interval scale or a ratio scale in statistics.
Answer
interval scale
The final answer is interval scale.
Answer for screen readers
The final answer is interval scale.
More Information
GPA is considered an interval scale because the differences between values are meaningful and consistent, but there is no true zero point.
Tips
A common mistake is assuming GPA is a ratio scale due to its numeric nature. Remember that ratio scales have a true zero, which GPA does not.
Sources
- FAQ - study.iitm.ac.in - study.iitm.ac.in
- GPA, ratio or interval level of measurement? : r/AskStatistics - Reddit - reddit.com
- Predicting Grade Point Average (GPA) ordinal or linear regression? - researchgate.net
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