How is everyone doing today

Terrible terrible like stale bread

The answer is d. 606 because you have to multiply 30% ( percent) times 2020 (total) to get ur answer.

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.