Which of the following are possible values for the correlation between two variables.
r
=
1
\displaystyle {r}={1}
r
=
1
r
=
−
0.5
\displaystyle {r}=-{0.5}
r
=
−
0.5
r
=
2
\displaystyle {r}={2}
r
=
2
r
=
−
1
\displaystyle {r}=-{1}
r
=
−
1
r
=
−
2
\displaystyle {r}=-{2}
r
=
−
2
r
=
0.5
\displaystyle {r}={0.5}
r
=
0.5
r
=
0
\displaystyle {r}={0}
r
=
0
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