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Null hypothesis
Meaning
Noun
●
In Statistics:
A
hypothesis
set up
to be
nullified
or
refuted
in order to support an
alternative hypothesis
. When used, the
null hypothesis
is
presumed
true
until
statistical
evidence
in the form of a
hypothesis
test
indicates
otherwise. Therefore, the
null
and the
alternative hypothesis
must be
mutually exclusive
and exhaustive.
Sourced from
Wiktionary
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