population parameter: meaning, definition, pronunciation and examples
C1/C2Academic, Technical (Statistics, Research)
Quick answer
What does “population parameter” mean?
A numerical value that describes a characteristic of a whole population (e.
Audio
Pronunciation
Definition
Meaning and Definition
A numerical value that describes a characteristic of a whole population (e.g., mean, standard deviation). It is a fixed, but often unknown, quantity, in contrast to a statistic which is calculated from a sample.
In statistical inference, a population parameter is the true target of estimation. The concept defines the properties of the complete set of data points of interest, which are estimated using data from a subset (sample).
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. Spelling follows regional norms (e.g., 'standardise' vs. 'standardize' in surrounding text).
Connotations
Identical technical connotations in both varieties.
Frequency
Used with identical high frequency in academic/statistical contexts in both regions.
Grammar
How to Use “population parameter” in a Sentence
The {statistic} is used to estimate the {population parameter}.We are 95% confident that the {population parameter} lies between X and Y.The hypothesis concerns the {population parameter}.Vocabulary
Collocations
Examples
Examples of “population parameter” in a Sentence
verb
British English
- Researchers aim to **parameterise** the population model.
- We need to **estimate** the population parameter.
American English
- Researchers aim to **parameterize** the population model.
- We need to **estimate** the population parameter.
adverb
British English
- The data were analysed **parametrically**.
- The value was **theoretically** derived as a population parameter.
American English
- The data were analyzed **parametrically**.
- The value was **theoretically** derived as a population parameter.
adjective
British English
- The **parametric** test assumes a normal distribution.
- They conducted a **population-level** analysis.
American English
- The **parametric** test assumes a normal distribution.
- They conducted a **population-level** analysis.
Usage
Meaning in Context
Business
Rare, except in market research or data analytics reports, e.g., 'The campaign aimed to shift the population parameter for brand awareness.'
Academic
Core term in statistics, sociology, epidemiology, and quantitative research methods.
Everyday
Virtually never used in everyday conversation.
Technical
Fundamental term in statistics and data science, central to inferential procedures.
Vocabulary
Synonyms of “population parameter”
Strong
Neutral
Weak
Vocabulary
Antonyms of “population parameter”
Watch out
Common Mistakes When Using “population parameter”
- Using 'population parameter' to refer to a value from a sample (this is a 'statistic').
- Confusing 'parameter' with 'perimeter'.
- Using it in singular/plural incorrectly: 'The population parameters are' vs. 'The population parameter is'.
FAQ
Frequently Asked Questions
A parameter describes a population (whole group), is fixed but often unknown. A statistic describes a sample (subset), is known but varies from sample to sample.
The population mean (μ) is a classic example of a population parameter. The sample mean (x̄) is the corresponding statistic.
Rarely, unless we can measure every member of the population (a census). Usually, it is estimated with uncertainty using inferential statistics.
Not exactly. A population parameter is a real-world quantity. A model parameter is part of a theoretical or mathematical model that may be used to estimate or represent the population parameter.
A numerical value that describes a characteristic of a whole population (e.
Population parameter is usually academic, technical (statistics, research) in register.
Population parameter: in British English it is pronounced /ˌpɒp.jʊˈleɪ.ʃən pəˈræm.ɪ.tə/, and in American English it is pronounced /ˌpɑː.pjəˈleɪ.ʃən pəˈræm.ə.t̬ɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this technical term]”
Learning
Memory Aids
Mnemonic
Think of a PARAMETER as a PERMANENT trait of the POPULATION. It's fixed, like a mountain (the parameter), while a sample statistic is like a photo of the mountain (an estimate).
Conceptual Metaphor
A TARGET. The population parameter is the bullseye we are trying to hit with our sample statistics (the arrows).
Practice
Quiz
Which of the following best describes a 'population parameter'?