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Can I run a common Oneway analysis for two different (in name only) datasets?

In my data table, I have Item Numbers A, B and C.  I can easily run Oneway analyses on all three items individually.  Item A and item B are the same product, manufacturing had to change the item name for various reasons.  I know if I create a common item name for these, I can do this easily but is it possible to run a single Oneway analysis for both A and B?  Can this be accomplished from editing the script? I want to compare A and B on the same chart.

My thanks in advance to anyone that can help!1562_Oneway.jpg