Question about Synergy Academic Kaleidagraph v3.6 for Mac (syn mac394) for Mac

# Can't get a scatter plot.

I'm new to Kaleidagraph and can't get a scatter plot to work on it. I put my data in the columns and go to Gallery->Linear->Scatter. I change column A to the X values and column B-F as the Y values. When I click on New Plot a message comes up saying "Text data columns can only be used as the independent plot variable." I have no idea what to do and would appreciate some help. Thanks, Mike.

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