probability density

probability density
noun Date: 1939 probability density function; also a particular value of a probability density function

New Collegiate Dictionary. 2001.

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  • probability density function — noun Date: 1957 1. probability function 2. a function of a continuous random variable whose integral over an interval gives the probability that its value will fall within the interval …   New Collegiate Dictionary

  • probability density function — Statistics. 1. a function of a continuous variable whose integral over a region gives the probability that a random variable falls within the region. 2. Also called frequency function. a function of a discrete variable whose sum over a discrete… …   Universalium

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