Answer:
18
Step-by-step explanation:
First, order the data set from least to greatest:
16, 18, 19, 28, 29, 29, 33, 34, 34
The range of a given data set can be found by subtracting the greatest number (34 in this case) with the least number (16) in the set:
34 - 16 = 18
18 is your answer.
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