Explain what 4 raised to the second power mean

It means an exponment that what that means

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.

No solution : there is no number of boxes that she bought