An alloy is a mixture of metals. Suppose that a certain alloy Is made by mixing 300 grams of an alloy that contains 72% copper with 20 grams of pure copper. Answer the questions below. Do not do any rounding.

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.