Complete the input/output table. look for a pattern and write the rule

input 1, 2, 3, 4, 5, 6
output 6, 12

the rule is look for the same number.

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.