The connection between electricity production and seedless vascular plants is that coal formed from ancient seedless plants that were buried in water and mud before they began to decay. We use burning coal to generate electricity. Step 1
step 2
step3
step 4

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.