To calculate the range of a data set, you subtract the minimum value from the maximum value.
For Week 1: The data is: 5, 8, 10, 11, 6, 8, 9, 15, 5, 8
- Minimum value = 5
- Maximum value = 15
Range for Week 1 = Maximum - Minimum = 15 - 5 = 10
For Week 2: The data is: 7, 9, 11, 12, 8, 10, 11, 18, 9, 10
- Minimum value = 7
- Maximum value = 18
Range for Week 2 = Maximum - Minimum = 18 - 7 = 11
Final Answer: The range of the number of push-ups people did in Week 1 is 10. The range of the number of push-ups people did in Week 2 is 11.