The numbers of miles Ron biked are 31,35,49,29,33,28, and 40 Determine the range of this data set.

To determine the range of a data set, we need to subtract the minimum value from the maximum value.

The minimum value is 28 and the maximum value is 49.

Therefore, the range of this data set is 49 - 28 = 21.

So, the range of the data set is 21 miles.