The matrix a = [121 01-2 001] is invertible. determine elementary matrices e1,e2, and e3 such that e3e2e1a =i

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 is 1532.75