Qusetion: Singers. The boxplots shown display the heights (in inches) of 130 members of a choir.
![572_Singers.png](https://secure.tutorsglobe.com/CMSImages/572_Singers.png)
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.