find the range of this set of data: 18, 9, 11, 6, 12, 9, 13

find the range of this set of data: 18, 9, 11, 6, 12, 9, 13
Answer
Explanation:
Step1: Find the maximum value
The maximum value in the set ${18, 9, 11, 6, 12, 9, 13}$ is $18$.
Step2: Find the minimum value
The minimum value in the set is $6$.
Step3: Calculate the range
The range is found by subtracting the minimum from the maximum. So, $18 - 6=12$.
Answer:
$12$