1. Identify the following numbers as rational or irrational. a. -15.4
b. 27/5
c. 0.99999.
d. V

A. -15.4 is a rational number.
b. 27/5 is a rational number.
c. 0.99999… is an irrational number.
d. √7 is an irrational number.

You would have to multiply all of the numbers

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.