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stats[describe,median] - Median of a Statistical List

Calling Sequence

stats[describe, median](data, gap)

describe[median](data, gap)

Parameters

data

-

statistical list

gap

-

(optional) The common size of gaps between classes.

Description

• 

Important: The stats package has been deprecated. Use the superseding package Statistics instead.

• 

The function median of the subpackage stats[describe, ...] finds the item in data that correspond to the median.

• 

The median of a sorted list of numbers is either the middle value or the arithmetic mean of the two middle values. If the requested median falls between entries, it is interpolated.

• 

The median is a measure of central tendency. The description for the mean provides more information about such measures. The median is used to find a typical value of the given data when the extreme values are not representative of the rest of the data. It corresponds to the 50th percentile of the data.

• 

Missing data are ignored.

• 

For information about the parameter gap, see describe[gaps].

• 

The data must be numeric.

• 

The command with(stats[describe],median) allows the use of the abbreviated form of this command.

Examples

Important: The stats package has been deprecated. Use the superseding package Statistics instead.

withstats:

The median of the numbers 1,2,3,4,250 is

describemedian1,2,3,4,250

3

(1)

Note that this value is more typical of this particular data than the mean

describemean1,2,3,4,250

52

(2)

For an even number of data items, interpolation is used:

describemedian1,2,3,4

52

(3)

2+32

52

(4)

See Also

describe(deprecated)[decile], describe(deprecated)[mean], describe(deprecated)[percentile], describe(deprecated)[quantile], describe(deprecated)[quartile], describe(deprecated)[range], Statistics, Statistics[Median], stats(deprecated)[data]


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