To find the range of a data set, you need to perform a few simple steps that involve basic arithmetic. The range is a measure of how spread out the values in a data set are. Here’s how you can calculate it:
- Collect Your Data: Start by gathering all the numbers in your data set. They can be any numeric values such as scores, ages, measurements, or any other quantifiable information.
- Identify the Minimum Value: Look through your data set to find the smallest number. This value is known as the minimum.
- Identify the Maximum Value: Next, find the largest number in your data set. This value is referred to as the maximum.
- Calculate the Range: To find the range, simply subtract the minimum value from the maximum value. The formula can be expressed as:
- Example: For instance, if your data set consists of the numbers
3, 7, 1, 9, 5
, the minimum value is1
and the maximum value is9
. Thus, the range would be:
Range = Maximum – Minimum
Range = 9 - 1 = 8
This result means that the values in your data set are spread over a distance of 8
units.
Calculating the range is an effective way to understand the variability in your data, making it easier to analyze trends and patterns!