12. Emails A university teacher saved every emails received from
students in a large Introductory Statistics class during an entire
term. He then counted, for each student who had sent him at
least one emails, how many emails each student had sent.


a) From the histogram, would you expect the mean or the
median to be larger? Explain.
b) Write a few sentences describing this distribution (shape,
center, spread, unusual features).
c) Which summary statistics would you choose to summarize
the center and spread in these data? Why?