25% of rochelle's income is spent on rent. if rochelle earns $1280 per week, how much is her weekly rent?

25% of 1280
25/100 of 1280
1/4 of 1280
=320

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.