T R1.3. Singers by parts The boxplots display the heights (in inches) of 130 members of a choir by the part they sing. 76- 72 Height (in.) 68 T 64 60 Alto Bass Soprano Tenor Part a) It appears that the median height for sopranos is missing, but actually the median and the upper quartile are equal. How could that happen? b) Write a few sentences describing what you see. These boxplots are arranged in alphabetical order. c) Suggest a possibly more interesting order