Range Calculator
This Range Calculator helps you find the range of a list of numbers and shows each step clearly. It works by identifying the smallest value and the largest value in the data set, then subtracting the minimum from the maximum. This makes it useful for checking answers, understanding how the range is calculated, and practising statistics step by step.
Step-by-step method
- List the numbers and identify the smallest and largest values.
- Use the range formula (maximum minus minimum).
- Subtract to get the range.
Formula:
Example 1: 3, 1, 9, 4, 7
Step 1 - List the numbers and identify the smallest and largest values.
In this problem: The numbers are 3, 1, 9, 4, 7. The smallest is 1 and the largest is 9.
Step 2 - Use the range formula (maximum minus minimum).
In this problem: Use the formula: Range = max − min, so Range = 9 − 1.
Step 3 - Subtract to get the range.
In this problem: Subtract: 9 − 1 = 8.
Final answer: Range = 8
Example 2: -2, 5, 0, 12, 3
Step 1 - List the numbers and identify the smallest and largest values.
In this problem: The numbers are -2, 5, 0, 12, 3. The smallest is -2 and the largest is 12.
Step 2 - Use the range formula (maximum minus minimum).
In this problem: Use the formula: Range = max − min, so Range = 12 − -2.
Step 3 - Subtract to get the range.
In this problem: Subtract: 12 − -2 = 14.
Final answer: Range = 14
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