Here is the frequency distribution and relative frequency for the "Age Group" from the data provided:

Let me know if you'd like further details or have any questions!

Here are 5 related questions:

1. How do the frequencies compare across different treatment groups?
2. What is the relationship between age group and treatment outcome?
3. How many patients in each age group had no comorbidities?
4. Can we calculate the average follow-up period for each age group?
5. What is the proportion of males and females in each age group?

Tip: When analyzing data distributions, comparing both frequency and relative frequency helps to understand the overall composition and significance across different categories.