The range of a set of data is the difference between the largest and smallest values. It tells us how spread out the data is. To find the range, simply subtract the smallest number from the largest number. For example, if your data set is: 5, 2, 9, 1, 7, the largest number is 9 and the smallest is 1. Therefore, the range is $9 - 1 = 8$.
Understanding the range helps us see how much the numbers in a set vary. A small range means the numbers are close together, while a large range means they are more spread out.
Match the term with its definition:
| Term | Definition |
|---|---|
| 1. Range | A. The middle value in a data set. |
| 2. Data Set | B. The difference between the largest and smallest values. |
| 3. Largest Value | C. A collection of information. |
| 4. Smallest Value | D. The biggest number in a data set. |
| 5. Median | E. The smallest number in a data set. |
The range is the ________ between the ________ value and the ________ value in a data set. To find the range, you ________ the smallest value from the largest value. A ________ range indicates that the data points are close together.
Explain, in your own words, why understanding the range of a data set might be useful in real life. Give an example.
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