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Parameter (Noun)

Meaning 1

A quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data.

Classification

Nouns denoting cognitive processes and contents.

Examples

  • The population mean is an important parameter in statistics that is often estimated from a random sample of data.
  • Researchers estimated the population variance as a parameter to help them understand the dispersion of the data set.
  • The sample standard deviation is used as an estimator of the population standard deviation, which is a key parameter in statistical inference.
  • To determine the reliability of the study, the researchers calculated the population size as one of the key parameters.
  • The parameter of interest was the population proportion, which the researchers attempted to estimate from the sample proportion of survey respondents.

Meaning 2

A constant in the equation of a curve that can be varied to yield a family of similar curves.

Classification

Nouns denoting cognitive processes and contents.

Examples

  • In the equation of a circle, the radius is a parameter that determines the size of the circle.
  • The parameter c in the equation y = mx + c represents the y-intercept of a line.
  • The curve of an exponential function has a growth rate parameter that controls the rate at which the curve increases.
  • The ellipse equation has two parameters, a and b, that describe the lengths of the semi-axes.
  • The parameter k in the equation y = k/x is a constant that determines the shape of a hyperbola.

Synonyms

  • Parametric Quantity

Hypernyms

  • Constant Quantity
  • Invariable

Related Words

  • Parametric (adjective)

Meaning 3

(computer science) a reference or value that is passed to a function, procedure, subroutine, command, or program.

Classification

Nouns denoting communicative processes and contents.

Synonyms

  • Argument

Hypernyms

  • Value
  • Address
  • Reference

Meaning 4

Any factor that defines a system and determines (or limits) its performance.

Classification

Nouns denoting natural events.

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