[Python-checkins] Update potentially confusing note for mean. (GH-30174)
mdickinson
webhook-mailer at python.org
Tue Dec 21 04:01:09 EST 2021
https://github.com/python/cpython/commit/e9a01e231aae19fd1249368e477a60bc033b2646
commit: e9a01e231aae19fd1249368e477a60bc033b2646
branch: main
author: Mark Dickinson <mdickinson at enthought.com>
committer: mdickinson <dickinsm at gmail.com>
date: 2021-12-21T09:00:53Z
summary:
Update potentially confusing note for mean. (GH-30174)
files:
M Doc/library/statistics.rst
diff --git a/Doc/library/statistics.rst b/Doc/library/statistics.rst
index 8638abfb697b8..4cd983bb25468 100644
--- a/Doc/library/statistics.rst
+++ b/Doc/library/statistics.rst
@@ -116,10 +116,11 @@ However, for reading convenience, most of the examples show sorted sequences.
.. note::
- The mean is strongly affected by outliers and is not a robust estimator
- for central location: the mean is not necessarily a typical example of
- the data points. For more robust measures of central location, see
- :func:`median` and :func:`mode`.
+ The mean is strongly affected by `outliers
+ <https://en.wikipedia.org/wiki/Outlier>`_ and is not necessarily a
+ typical example of the data points. For a more robust, although less
+ efficient, measure of `central tendency
+ <https://en.wikipedia.org/wiki/Central_tendency>`_, see :func:`median`.
The sample mean gives an unbiased estimate of the true population mean,
so that when taken on average over all the possible samples,
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