On the grid of equal squares in the answer space, B' and C' are the images of B and C under a
reflection. On the grid of equal squares,
(i) lukis paksi pantulan itu,
draw the axis of reflection,

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.