Question

Two advantage of bar diagram?

Answer 1

A bar graph is a pictorial rendition of statistical data in which the independent variable can attain only certain discrete values. 
. show each data category in a frequency distribution

display relative numbers/proportions of multiple categories

summarize a large amount of data in a visual, easily intepretable form

Answer 2

hi friend ......... here's your answer...

The advantages of bar diagram are:
•easy to understand.
•summarize a large data set in visual form.

hope helps.........