There is no default chart you can select to make the bubbles square automatically, but you can modify the chart. Launch Excel, type "Product" in "A1," "State" in "B1," and "Sales" in "C1." ...

If you want to create a chart with data from multiple sheets ... Click on the "Chart" icon in the Google Docs menu bar, which is a square with three bars on it. Choose the "Charts" tab to ...