Howard opens a savings account with a deposit of $800.the bank will pay him 3% interest per year.
a. how much will howard receive at the end of 1/2 a year.
b. how much interest will he receive in 1 year?

800 * (1.03)^.5 = 811.91
800 * (1.03)^1 = 824.00

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.