Which index should Reid use as a benchmark when evaluating the performance of his mutual fund?

Index $1$:

beta$-0\mathrm{.}56$

r$-$squared $-0\mathrm{.}65$

Index $2$:

beta $-0\mathrm{.}96$

r$-$squared $-0\mathrm{.}83$

Index $3$:

beta $-1\mathrm{.}56$

r$-$squared $-0\mathrm{.}74$

Index $4$:

beta $-0\mathrm{.}75$

r$-$squared $-0\mathrm{.}98$

Group of answer choices$$

$$Index $1.$

$$Index $2.$

$$Index $3.$

Index $4.$