It is a kind of grouping.įor example, if you want to know, in a school, how many students are of age 5 or below, how many are between 6-10, how many are between 11-15, how many are between 15-20 and how many are 20 or more. It is intrepreted from the area it covers.Ī bin is defined for frequency distribution. Or say it shows the frequency distributions in data.Ī histogram may look like a column graph but it is not interpreted from the column's height. A histogram is simply a bar graph that shows the occurrence of data intervals into a bin range.