a discrete probability distribution, a median m satisfies the inequalities
or
in which a Lebesgue-Stieltjes integral is used. For an absolutely continuous probability distribution with probability density function ƒ, we have
[edit]Medians of particular distributionsThe medians of certain types of distributions can be easily calculated from their parameters:
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No, they must have a median. However, if the data set is of even order, the median may not belong to the data set. For example, the median of 1,2,3,10 is halfway between 2 and 3 or 2.5 which is not a data point.
It can be used to describe continuous or discreet data but not categorical or ordered data, unless that data is also numercal which is very unlikely
A histogram graph displays continuous data. The data is displayed in ordered columns. Example of data that can shown by a histogram graph is time, inches, and temperature.
Non-continuous data is called discrete data.
The median is used when reporting ordinal data.