exponential distribution

noun

1. statistics a continuous single-parameter distribution used esp when making statements about the length of life of certain materials or waiting times between randomly occurring events. Its density function is p ( x ) = λe ^–λx for positive λ and nonnegative x , and it is a special case of the gamma distribution

Example Sentences

They found that regardless of turbulence or snowflake type, acceleration follows a universal statistical pattern that can be described as an exponential distribution.

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Tests for the null hypothesis that the intergenic distances follow an exponential distribution were conducted on an ad hoc basis27 using χ2 goodness-of-fit tests, where some preliminary evidence emerged about the presence of inhomogeneity in gene density.

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A likelihood ratio test was conducted to test the null hypothesis that intergenic distances follow an exponential distribution against the alternative hypothesis that the distances follow a mixture of exponential distributions.

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