Which statement is true? A pound is 8 times as heavy as an ounce.

A pound is 10 times as heavy as an ounce.

A pound is 12 times as heavy as an ounce.

A pound is 16 times as heavy as an ounce.

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.