Answer
Minimum = 1
Maximum = 9
Q1 = 4
Q2 = 6
Q3 = 7
Work Step by Step
Sort numbers in numerical order
(1, 2, 2, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9)
The smallest and greatest numbers are the minimum and maximum
The number in the middle is the Q2, and the number in the middle of the halves on either side of Q2 are Q1 and Q2