The five-number summary for the median ages of the 50 U.S. states and the District of Columbia (DC) is as follows:

1. Smallest observation: 29.0 years
2. Lower quartile (Q1): 35.85 years
3. Median (Q2): 38.5 years
4. Upper quartile (Q3): 40.85 years
5. Largest observation: 46.6 years

Would you like further details or explanations?

Here are 5 related questions:

1. What is the interquartile range (IQR) for these data?
2. How could outliers be identified using this five-number summary?
3. How would the five-number summary change if another state had an extremely high or low median age?
4. What statistical insights can be drawn from the distribution of median ages across the states?
5. What are potential reasons for variations in median age among different states?

Tip: The five-number summary is a powerful way to quickly understand the spread and central tendency of a dataset.