If you specify any of the following fields in the "Graph Contents" section of the chart setting, you will only be able to select "Table" for "Chart Type."

• Date
• Time
• Date and Time
• Created datetime
• Updated datetime
• Calculated (If "Date & time," "Date," "Time," Hours & minutes,"or "Days & hours & minutes" is selected as the display format)

If you want to display your aggregate result in a chart of another type, consider using the workarounds described below:

• Export the aggregate result in the table format to a file. Then, import the file data into the "Number" field of a new app and convert the data into a chart other than a table.
  Make necessary changes to the exported file before importing it.
  Exporting an Aggregate Result to a File
  Creating App from Excel File
  Creating App from CSV File
  
  
• Export the aggregate result in the table format or the record data to a file and then use a different tool (e.g. Excel) to create a chart of your choice.
  Exporting Data to a File