Can you show me how to find this question in the simpliest way through reguular calculations and through a BAII Calculator? The past five monthly returns for Kentucky Jelly are

$3$

$.$

$2$

$5$

$$percent$,$

$7$

$.$

$1$

$3$

$$percent$,$

$-$

$3$

$.$

$0$

$5$

$$percent$,$

$4$

$.$

$2$

$5$

$$percent$,$ and

$6$

$.$

$7$

$5$

$$percent$.$ What is the standard deviation?

$$

$1$

$.$

$4$

$0$

$$percent

$$

$3$

$.$

$3$

$7$

$$percent

$$

$4$

$.$

$1$

$0$

$$percent

$$

$1$

$6$

$.$

$8$

$3$

$$percent