This model is also same as the simple Bar Diagram. But the difference is, here we have to encounter more than one bar... I mean, we have to do problems with two or more vertical or horizontal bars. In these type of diagrams normally they will give the information of two different organizations (like the production of soaps of two different companies) or the information of two different items of the same organization (like the production of the soaps and shampoos of the same company) and asks questions on the given data. Have a look at an example.
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