What are the lower quartile, upper quartile, and median for this box and whisker plot?
A. LQ = 7 UQ = 14 Median = 18
B. LQ = 18 UQ = 14 Median = 21
C. LQ = 14 UQ = 28 Median = 21
D. LQ = 14 UQ = 28 Median = 22
