relative frequency: meaning, definition, pronunciation and examples
C1Academic, Technical, Scientific
Quick answer
What does “relative frequency” mean?
A measure of how often something occurs compared to other things in the same set or category.
Audio
Pronunciation
Definition
Meaning and Definition
A measure of how often something occurs compared to other things in the same set or category.
In statistics and data analysis, it is the ratio of the number of times a particular value occurs to the total number of observations, often expressed as a fraction, decimal, or percentage.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; the term is standard in both varieties. Minor spelling preferences ('analyse' vs. 'analyze') appear in surrounding text.
Connotations
Neutral and precise in both varieties, with strong scientific/statistical connotations.
Frequency
The term has very low frequency in everyday speech but is high-frequency within statistics, linguistics, and data science contexts.
Grammar
How to Use “relative frequency” in a Sentence
[NOUN] + of + relative frequency (e.g., 'calculation of relative frequency')[ADJECTIVE] + relative frequency (e.g., 'empirical relative frequency')[VERB] + relative frequency (e.g., 'compute relative frequency')Vocabulary
Collocations
Examples
Examples of “relative frequency” in a Sentence
adjective
British English
- The relative-frequency distribution was plotted on a histogram.
- We need a relative-frequency estimate for each phoneme.
American English
- The relative-frequency analysis revealed clear patterns.
- A relative-frequency table summarises the data better.
Usage
Meaning in Context
Business
Analyzing the relative frequency of customer complaints helps prioritise service improvements.
Academic
The study plotted the relative frequency of phonetic variants against social class.
Everyday
In our book club, the relative frequency of sci-fi picks is much higher than romance.
Technical
The algorithm normalises the data by converting raw counts to relative frequencies.
Vocabulary
Synonyms of “relative frequency”
Vocabulary
Antonyms of “relative frequency”
Watch out
Common Mistakes When Using “relative frequency”
- Using 'relative frequency' when 'absolute frequency' (simple count) is meant.
- Forgetting that relative frequencies for all categories in a set must sum to 1 (or 100%).
- Pronouncing 'relative' with stress on the second syllable (/rɪˈleɪ.tɪv/).
FAQ
Frequently Asked Questions
Relative frequency is an observed proportion from past data (empirical). Probability is a theoretical likelihood of a future event. Relative frequency can be used to estimate probability.
No. By definition, it is a proportion of a total, so it ranges from 0 to 1 (or 0% to 100%).
No. It can be expressed as a fraction (e.g., 3/10), a decimal (0.3), or a percentage (30%). The context dictates the preferred form.
It is core terminology in statistics, data science, linguistics (corpus linguistics), sociology, epidemiology, and any field involving quantitative analysis of categorical data.
A measure of how often something occurs compared to other things in the same set or category.
Relative frequency is usually academic, technical, scientific in register.
Relative frequency: in British English it is pronounced /ˈrɛl.ə.tɪv ˈfriː.kwən.si/, and in American English it is pronounced /ˈrɛl.ə.t̬ɪv ˈfriː.kwən.si/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None directly associated.”
Learning
Memory Aids
Mnemonic
Think: RELATIVE as in 'family relative' (comparing one member to others) + FREQUENCY as in 'how often'. So, 'how often something happens RELATIVE to (compared to) everything else'.
Conceptual Metaphor
PROPORTION AS A SLICE OF A PIE (e.g., 'The relative frequency of this error is a large slice of our total defects').
Practice
Quiz
If 'relative frequency' of an event is 0.25 in a sample of 200, what is the 'absolute frequency'?