Remove Repetitive Names from Charts while using "add Series"

1

I am trying to join two bar graphs in dashboard in a single chart for easier comparison. But since the column names are similar, it is showing two times in the chart header just like below image and is annoying.

image
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The entire chart looks like this:

image

How can I keep just one set of data and remove the repetitive ones??

2

Hi @brucewayne_now
You would have to make a single question where you join the two questions and summarize them into a single result.

3

I need to see different month data like this. That's why I used "Add series" , but if join both questions, I don't get the desired output.