One simple, effective tool that marketers use is a product-positioning map, which places products and/or services on a grid based on two variables, such as price or quality.

While many charts only involve one variable, you can create charts that have multiple variables. To do this, you need only to create a table with multiple columns.

Using What-If Analysis, you can visualize the effects of different variables, making it easier to assess risks and opportunities. In Excel, three primary tools are available for performing What-If ...