Definitions for "Distribution" Add To Word List
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Function measuring the probability density of an event using a log-normal law; incremental changes of stock prices are almost log-normally distributed.
Function measuring the probability density of an event using the famous bell-shaped curve; incremental changes of bond prices are sometimes normally distributed.
A graph plotting probability against values. There are some typical shapes: normal, uniform, exponential. The normal distribution (bell-shaped) is the most common. See also Normal distribution, population distribution, null distribution.
A formula which gives the probability that a value will fall within prescribed limits.
The set of possible values for a random variable together with a probability measure defining the likelihood of those values.
A vague term that refers to the assumed probability model for a random variable.
The shape of a line for a set of scores when they are plotted on a graph. In a "normal" distribution, the line is shaped like a bell. In a "skewed" distribution, most of the scores clump together at one end while the other scores form a tail that stretches toward the other end of the graph.
(statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence
The range of values of a particular variable.