The author surveyed Facebook users in one of his statistics classes about the number of friends they have on Facebook. Here are their responses:

For parts (b) and (c), begin with lower class limit 0 and class width 200.
a. One student wrote €œ100€“200.€ What value would represent this response well? Include the value in the sample for parts (b) through (e).
b. Construct a frequency histogram.
c. Construct a relative frequency histogram.
d. Estimate the proportion of the surveyed Facebook users who have between 400 and 800 Facebook friends.
e. Estimate the proportion of the surveyed Facebook users who have at most 800 Facebook friends.

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