Aprofessor must randomly select 4 students to participate in a mock debate. there are 15 students in his class. in how many different ways can these students be selected, if the order of selection does not matter? a. 445 b. 989 c. 32,760 d. 1,365

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.