Key 21|0 = 2.10               stem leaf 21 357 22 01 23 26

Given the key "21|0 = 2.10," this indicates that the stem represents the first two digits, and the leaf represents the last digit, where the leaf is in the tenths place.

Let's interpret the stem-and-leaf plot:

- **21 | 357**: 
  - 21|3 = 2.13
  - 21|5 = 2.15
  - 21|7 = 2.17

- **22 | 01**:
  - 22|0 = 2.20
  - 22|1 = 2.21

- **23 | 26**:
  - 23|2 = 2.32
  - 23|6 = 2.36

### The original data values are:
- 2.13
- 2.15
- 2.17
- 2.20
- 2.21
- 2.32
- 2.36

Would you like further details or have any questions?

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Here are five related questions to expand your understanding:
1. How would you construct a key for a stem-and-leaf plot if the data values had more than one decimal place?
2. What steps would you take to create a stem-and-leaf plot for a large set of data?
3. How can you modify a stem-and-leaf plot to handle data with values less than 1?
4. What are the limitations of stem-and-leaf plots compared to histograms?
5. How does the choice of stem and leaf affect the interpretation of the data?

**Tip:** Always check the key in a stem-and-leaf plot to correctly interpret the data, as the key defines how the stems and leaves translate into actual data values.

Understand how to interpret a stem-and-leaf plot with the key 21|0 = 2.10. Explore the distribution of data values represented in the plot, including detailed examples and original data points. Suitable for high school students and anyone interested in data visualization and statistical analysis.

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