diff options
| -rw-r--r-- | Doc/library/statistics.rst | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Doc/library/statistics.rst b/Doc/library/statistics.rst index d62d55a161..232fb75247 100644 --- a/Doc/library/statistics.rst +++ b/Doc/library/statistics.rst @@ -135,9 +135,11 @@ However, for reading convenience, most of the examples show sorted sequences. giving an average growth of 5.385%. Using the arithmetic mean will give approximately 5.667%, which is too high. - :exc:``StatisticsError`` is raised if *data* is empty, or any + :exc:`StatisticsError` is raised if *data* is empty, or any element is less than zero. + .. versionadded:: 3.6 + .. function:: harmonic_mean(data) @@ -145,7 +147,7 @@ However, for reading convenience, most of the examples show sorted sequences. real-valued numbers. The harmonic mean, sometimes called the subcontrary mean, is the - reciprocal of the arithmetic :func:``mean`` of the reciprocals of the + reciprocal of the arithmetic :func:`mean` of the reciprocals of the data. For example, the harmonic mean of three values *a*, *b* and *c* will be equivalent to ``3/(1/a + 1/b + 1/c)``. @@ -165,9 +167,11 @@ However, for reading convenience, most of the examples show sorted sequences. Using the arithmetic mean would give an average of about 5.167, which is too high. - :exc:``StatisticsError`` is raised if *data* is empty, or any element + :exc:`StatisticsError` is raised if *data* is empty, or any element is less than zero. + .. versionadded:: 3.6 + .. function:: median(data) |