QUESTION $8$

Calculate the X$-$bar for the sub$-$group: $6\mathrm{.}0,6\mathrm{.}3,6\mathrm{.}2,6\mathrm{.}4,6\mathrm{.}1.$

$6\mathrm{.}6$

$6\mathrm{.}2$

$6\mathrm{.}0$

$6\mathrm{.}4$