My sister got stuck on these can you tell me the answers?

Don’t click the link above it’s a scam. also i think you measure the eraser using a ruler and that’s the answer lol

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.