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

\begin{tabular}{|c|c|c|c|c|c|c|c|}
\hline
Stem & \multicolumn{7}{|c|}{ Leaves } \\
\hline
12 & 1 & 2 & 3 & 7 & 8 & & \\
\hline
13 & 0 & 1 & 2 & 6 & 7 & & \\
\hline
14 & 1 & 1 & 1 & 3 & 9 & & \\
\hline
15 & 1 & 4 & 4 & 5 & 5 & & \\
\hline
16 & 4 & 4 & 4 & 5 & 7 & 8 & \\
\hline
17 & 1 & 4 & 5 & 5 & 5 & 8 & 8 \\
\hline
18 & 1 & 4 & 5 & 7 & 8 & & \\
\hline
19 & 1 & 1 & 2 & 4 & & & \\
\hline
20 & 0 & 4 & 5 & 5 & 5 & 7 & 7 \\
\hline
\end{tabular}

Key: [tex]$12 \mid 1=121$[/tex] pounds

What is the weight of the heaviest person in the range 150 to 159 inclusive?

Sagot :

GinnyAnswer
To find the weight of the heaviest person in the range 150 to 159, we need to examine the stem-and-leaf plot for the relevant information.

1. Look at the stem "15", which represents weights in the range of 150 to 159 pounds.
2. The leaves in this row are: 1, 4, 4, 5, 5.

Each leaf, when prefixed by the stem "15", represents a weight in pounds:
- 151 pounds
- 154 pounds
- 154 pounds (another individual with the same weight)
- 155 pounds
- 155 pounds (another individual with the same weight)

3. Among these weights, the largest value is 155 pounds.

Therefore, the weight of the heaviest person in the range 150 to 159 pounds is 155 pounds.
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