a train travels 288km at a uniform speed. if the speed has been 4km per hour more it would have taken one hour less for the same journey. find the speed of train​

I don’t know stop asking me

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.