https://file.aiquickdraw.com/mathbot/file/17263563400709665qcpm.jpg

Let's break down the information given to answer the questions:

**Team A:**
- Mean age = 29
- Range of ages = 23

**Team B:**
- Mean age = 30
- Range of ages = 22

**Team C:**
- Mean age = 33
- Range of ages = 21

**Team D:**
- Mean age = 31
- Range of ages = 18

### (a) Which team has the oldest members on average?

The mean age represents the average. So, the team with the highest mean age will have the oldest members on average.

- **Team A**: 29
- **Team B**: 30
- **Team C**: 33
- **Team D**: 31

Team **C** has the highest mean age (33), so the answer is **Team C**.

### (b) Which team's ages have the least variability?

The range is the difference between the youngest and oldest members, so a smaller range means less variability.

- **Team A**: Range = 23
- **Team B**: Range = 22
- **Team C**: Range = 21
- **Team D**: Range = 18

Team **D** has the smallest range (18), so the answer is **Team D**.

### Summary of Answers:
- (a) Team C
- (b) Team D

Would you like further details or have any questions?

Here are 5 additional related questions you can explore:
1. What is the median age for each team?
2. If each team's ages follow a normal distribution, which team would have the most variation?
3. How would the answers change if the teams had the same range but different standard deviations?
4. What is the total age difference between the oldest and youngest members of all teams?
5. How could we calculate the variance for each team using additional data?

**Tip**: The range only tells part of the variability story; to understand full variability, consider looking at the standard deviation or variance as well!

The ages of the members of four teams are summarized. Which team has the oldest members on average? Which team's ages have the least variability?

Analyze the mean and range of ages from four teams. Determine which team has the oldest members on average and which has the least variability in age distribution. Suitable for students in Grades 6-8.

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