The second of two numbers is 4 more than the first. the sum of the numbers is 56. find the numbers.

The first = x => the second = x + 4
Sum = x + (x+4) = 56
2x + 4 = 56
2x = 52
x = 26 - the first => the second = 30

Ais the correct one

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.