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Ten randomly selected people were asked to join a fitness group. Over the next two weeks, they were tested on how many push-ups they could do. The data shows the number of push-ups they did over the two weeks. What is the range of the number of push-ups people did each week?

Week 1: 5, 8, 10, 11, 6, 8, 9, 15, 5, 8
Week 2: 7, 9, 11, 12, 8, 10, 11, 18, 9, 10

(1 point)
The range of the number of push-ups people did in Week 1 is _.
The range of the number of push-ups people did in Week 2 is _.

1 answer

To calculate the range of a set of numbers, 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

So, the range for Week 1 is: Range = 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

So, the range for Week 2 is: Range = Maximum - Minimum = 18 - 7 = 11

Thus, the answers are: 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.