Aseed company mixes two types of seeds for bird feeding. one costs $1.10 per kg and the other costs $2.25 per kg. how much of each type of seed is needed to produce 6kg at a cost of $8.90?

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.