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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 for each week, we need to find the difference between the maximum and minimum values in the data set for each week.

Week 1: Data: 5, 8, 10, 11, 6, 8, 9, 15, 5, 8

  • Maximum: 15
  • Minimum: 5

Range = Maximum - Minimum = 15 - 5 = 10

Week 2: Data: 7, 9, 11, 12, 8, 10, 11, 18, 9, 10

  • Maximum: 18
  • Minimum: 7

Range = Maximum - Minimum = 18 - 7 = 11

So, the ranges 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.