最終更新日：2025/11/22
(statistics) The phenomenon by which extreme examples from any set of data are likely to be followed by examples which are less extreme; a tendency towards the average of any sample. For example, the offspring of two very tall individuals tend to be tall, but closer to the average (mean) than either of their parents.
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regression to the mean
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regression to the mean
名詞
(statistics)
The
phenomenon
by
which
extreme
examples
from
any
set
of
data
are
likely
to
be
followed
by
examples
which
are
less
extreme;
a
tendency
towards
the
average
of
any
sample.
For
example,
the
offspring
of
two
very
tall
individuals
tend
to
be
tall,
but
closer
to
the
average
(mean)
than
either
of
their
parents.
日本語の意味
極端な数値や現象が、一見すると特異に見えるが、実際には時間が経つにつれて平均的な値に近づく現象。特に統計学において、極端なデータポイントが次の観測で、より一般的・平均的な結果に戻る傾向を表す。
意味（1）
(statistics)
The
phenomenon
by
which
extreme
examples
from
any
set
of
data
are
likely
to
be
followed
by
examples
which
are
less
extreme;
a
tendency
towards
the
average
of
any
sample.
For
example,
the
offspring
of
two
very
tall
individuals
tend
to
be
tall,
but
closer
to
the
average
(mean)
than
either
of
their
parents.
（ plural ）
