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The numbers of miles Ron biked are 31, 35, 49, 32, 45, 29, 33, 28, and 40.

Determine the range of this data set.(1 point)
Responses

9 miles
9 miles

18 miles
18 miles

35.8 miles
35.8 miles

21 miles
21 miles

1 answer

To determine the range of the data set, you need to subtract the smallest number from the largest number in the set.

Here are the numbers Ron biked: 31, 35, 49, 32, 45, 29, 33, 28, and 40.

  1. Identify the smallest number: 28
  2. Identify the largest number: 49
  3. Calculate the range:

\[ \text{Range} = \text{Largest} - \text{Smallest} = 49 - 28 = 21 \text{ miles} \]

So, the correct response is:

21 miles