set stud population population elements individuals sample obtained values
A
is
the
set
of
all
that
are
subjected
to
a
statistical
study
.
A
is
a
representative
of
the
reference
.
The
number
of
in
a
sample
is
less
than
the
population
.
The
are
the
different
results
that
can
be
in
a
statistical