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 ^–λxfor 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.

From Science Daily

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.

From Nature

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.

From Nature