Round the nearest dollar amount of $34.57

34.60 or 35
Depends on what to round, tenths or hundreds

.57 is closer to 100 than it is to 0. So you would round up to $35.

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.