Which box-and-whisker plot represents this data: 6, 7, 8, 10, 18, 20, 22, 25, 28, 28, 30, 30?

Answer:
D
Step-by-step explanation:
Put this in statistics in my graphing calculator.
Min Value = 6
Max Value = 30
Q1 = 9
Median = 21
Q3 = 28