Bubble Chart Template for Comparison of 3 Independent Variables

Use this bubble chart PowerPoint template to compare and present values of 3 independent variables, with ‘years’ on X-axis and bubble size as an additional visual clue.

  • This bubble chart does not show correlations between variables but shows comparison of 2 or more independent variables.
  • Bubble size is determined by the value of each individual variable. 

Use case example: Annual product sales

Bubble chart in this example compares annual sales numbers of three products for 5 years. The three products are denoted by bubbles with different colors. Data labels showing sales numbers are placed at the center of each bubble.Bubble size is determined by the sales numbers. Higher the sales, bigger is the bubble.

While product C shows highest number of sales, we can see that product A sales is showing an impressive growth trend each year. 

How to use and edit this chart template

To edit this chart template, execute following steps.

  1. Right click on the chart to open chart menu. Click Edit Data. This will open the linked Excel sheet (see video below).
  2. Enter years in column A. Years form the X-axis of the bubble chart.
  3. Enter variable 1 data in column B. 
  4. Enter variable 2 data in column C. 
  5. Enter variable 3 data in column D. 
  6. Close the Excel sheet.
  7. Each variable’s data value forms the Z-axis of the bubble chart, which determines the bubble size. Larger the Z-axis data value, bigger is the bubble for that variable.
  8. File format: PPTX. Compatible with PowerPoint 2013 and above.

Numbers have an important story to tell. They rely on you to give them a clear and convincing voice.

Stephen Few
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