Summary over shopping for school supplies. each purchase were different quantities of the same notebook and thumb drive. sam bought for notebooks in one thumb drive for $32. marie about three notebooks and two thumb drives for $39. find the cost of each notebook and each thumb drive.

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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Just a second zzz