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To find the median of the numbers in the given set:

The numbers are:
\[ 13, -8, 8, 9, 3, -13 \]

### Step 1: Sort the numbers in ascending order:
\[ -13, -8, 3, 8, 9, 13 \]

### Step 2: Find the median:
- The median is the middle value in a sorted list of numbers.
- Since there are 6 numbers (an even number), the median will be the average of the two middle numbers.

The two middle numbers are \( 3 \) and \( 8 \).

### Step 3: Calculate the average of the two middle numbers:
\[
\text{Median} = \frac{3 + 8}{2} = \frac{11}{2} = 5.5
\]

So, the median is **5.5**.

Would you like more details or have any questions?

Here are five related questions for further practice:
1. What is the mode of this set of numbers?
2. How would the median change if an additional number, 14, was added to the set?
3. What is the range of the given set of numbers?
4. Can a dataset have more than one median? Explain why or why not.
5. What is the difference between the mean and median in this dataset?

**Tip**: The median is less sensitive to extreme values (outliers) compared to the mean, making it a better measure of central tendency when dealing with skewed distributions.

Work out the median of these numbers: 13, -8, 8, 9, 3, -13

Learn how to calculate the median of the numbers 13, -8, 8, 9, 3, -13. This problem involves sorting the numbers and using the median formula for an even set of numbers. Suitable for students in Grades 6-8.

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