Can i have help on these question pls???

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.

The answer would be c

i believe it's a.

i'm not sure on this one, most likely correct.

good luck!