Italian Tours offers a daily sightseeing trip around Florence. The list below gives the number of people who made the trip for a selection of 9 summer days.
29, 26, 51, 48, 50, 42, 54, 48, 54
Find the range of the data set.
To find the range of the data set, we need to subtract the smallest value from the largest value.
The smallest value in the data set is 26, and the largest value is 54.
Therefore, the range of the data set is 54 - 26 = <<54-26=28>>28. Answer: \boxed{28}.