Weibull Distribution

Weibull Statistical Distribution


General Characteristics

  • If a quantity X, is a ‘time-to-failure’, the Weibull distribution gives a distribution for which the failure rate is proportional to a power of time.


Specific Characteristics

Key Measures:

Shape, Scale


Range of values:

0 < x < ∞



Weibull distributions can be used; in calculating time between failures, in calculating the time required to complete a certain task & to model equipment failures

Weibull distributions are widely used; in forecasting technological changes, in radar systems, in insurance companies & in survival analysis.

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Weibull Statistical Distribution – Statistical Distributions
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