Question

Math

Posted 4 months ago

```
The government published the following stem-and-leaf plot showing the number of bears at each major zoo in the country:
$\left\lvert\, \begin{array}{l|lllllll}
0 & & & & & & & \\
1 & 8 & 8 & & & & & \\
2 & 1 & 3 & 6 & 6 & 7 & 7 & 9 \\
3 & 1 & 7 & & & & & \\
4 & 1 & 4 & 5 & 7 & & & \\
5 & 0 & 3 & & & &
\end{array}\right.$
Key: $4 \mid 1=41$ bears
How many zoos have fewer than 50 bears?
$\square$ zoos
```

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Answer from Sia

Posted 4 months ago

Solution by Steps

step 1

Count the number of data points in the stem-and-leaf plot that represent zoos with fewer than 50 bears

step 2

Identify the stems that represent numbers less than 5 because the stem of 5 represents 50 and above

step 3

Count the leaves for each stem less than 5. For stem 0, there is 1 leaf; for stem 1, there are 2 leaves; for stem 2, there are 7 leaves; for stem 3, there are 2 leaves; and for stem 4, there are 4 leaves

step 4

Add the number of leaves from step 3 to find the total number of zoos with fewer than 50 bears: 1 + 2 + 7 + 2 + 4 = 16

Answer

16 zoos

Key Concept

Interpreting a stem-and-leaf plot

Explanation

The stem-and-leaf plot is used to determine the number of data points that fall within a certain range, in this case, the number of zoos with fewer than 50 bears.

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