Basic Statistic

39	42	30	48	35	40
27	25	28	34	33	38
25	34	32	28	42	35
34	37	40	30	31	36
40	45	36	41	34	39

The following data represents the daily telephone calls received at a call center:

A.- Use five classes and prepare: frequency distribution, histogram, polygon and warhead. What is the form of distribution? Which graph shows the shape of the distribution?

B- Prepare the dot plot and stem and stem diagram for ungrouped data. Compare these two graphs with the histogram and the previously made polygon.