Find the sum. write the sum as a mixed number, so the fractional part is less than 1.

4. 6 4/5 + 7 4/5 = 13 8/5 = 14 3/5
5. 9 3/6 + 2 2/6 = 11 5/6
6. 8 4/12 + 3 6/12 = 11 10/12 = 11 5/6
7. 4 3/8 + 1 5/8 = 5 8/8 = 6
8. 9 5/10 + 6 3/10 = 15 8/10 = 15 4/5

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.

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