Number of contacts in five friends' phones: 47, 47, 26, 73, 61 The mean number of contacts in the 5 phones is __

Why are u not just putting the numbers this is to much

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.