Rents per person (to the nearest £) for 83 flats and houses advertised on the notice boards at a university were collected and the following grouped frequency distribution compiled:
![560_7a28e28b-bb95-4671-906a-bba314956d09.png](https://secure.tutorsglobe.com/CMSImages/560_7a28e28b-bb95-4671-906a-bba314956d09.png)
(a) Plot a histogram to portray this distribution and comment on the shape of the distribution.
(b) Find the cumulative frequency for each class.
(c) Plot a cumulative frequency graph of the distribution.