Incorrect AVERAGE value

I’m trying to calculate AVERAGE and expecting to see 8 ( (11+5) /2 ), but I’m seeing 8.33
How? What do I need to do to get 8?

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Hi Eleri! It appears you are taking AVG for total usage days and then taking an Avg of that AVG for a total which may be causing the issue. You may take a look at using the AvgOver function - avgOver - Amazon QuickSight