The following stem$-$and$-$leaf plot represents the distribution of weights for a group of people.

Stem Leaves

$12$

$2$

$3$

$8$

$9$

$9$

$13$

$0$

$2$

$4$

$5$

$6$

$6$

$14$

$1$

$1$

$5$

$8$

$8$

$15$

$3$

$3$

$5$

$7$

$16$

$2$

$3$

$4$

$17$

$2$

$2$

$7$

$18$

$0$

$2$

$2$

$2$

$3$

$5$

$19$

$1$

$5$

$5$

$8$

$8$

$20$

$2$

$4$

$6$

$6$

$8$

Key: $12|2=122$

pounds

Step $1$ of $3$ : What is the weight of the lightest person in the group?