stochastic variable

Thân thiện

A scientist plots a stochastic variable on a graph.

Definition

1. Noun:
   • A random variable: A stochastic variable is a variable quantity whose value is subject to variations due to chance. It is a fundamental concept in probability theory and statistics, representing a numerical outcome of a random phenomenon.

Usage Examples

• Noun:
  • In this experiment, the number of successes is modeled as a stochastic variable.
  • The portfolio's future value is treated as a stochastic variable in our financial model.

Advanced Usage

• "to model as a stochastic variable": To represent an uncertain quantity using the mathematical framework of random variables.
  • Engineers often model material fatigue as a stochastic variable.

Variants and Related Words

• Random variable (n): A direct synonym for stochastic variable.
  • The expected value of a random variable is a key concept.

Synonyms

• Chance variable: A variable determined by a random process.
• Variate: Another term for a random variable, often used in statistical contexts.

Học thuật

Noun

1. a variable quantity that is random

Từ đồng nghĩa

• random variable
• variate
• variant
• chance variable