Question

the following stem-and-leaf plot represents the distribution of weights for a group of people.
stem | leaves
12 | 0 3 4 6 7
13 | 1 3 3 4
14 | 0 1 5 7
15 | 1 3 5 8
16 | 2 3 4 5 5 7
17 | 1 5 5 5 7 7
18 | 1 1 6 7
19 | 1 4 6 8
20 | 0 2 2 4 5 6 7 7
key: 12 | 0 = 120 pounds
step 1 of 3 : what is the weight of the lightest person in the group?

Explanation:

Step1: Identify smallest stem & leaf

The smallest stem is 12, and its smallest leaf is 0.

Step2: Apply stem-leaf key

Using the key $12|0 = 120$ pounds, combine stem and leaf.

Answer:

120 pounds