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Damian911's avatar
Damian911
Frequent Visitor
2 years ago
Solved

average - Confused

I have a power bi dataset that is calculating the average of our rental systems.  I believe this value is correct.  However when you export the data and sum it, it does not sum to 28.63.  It Su...
  • mickey64's avatar
    2 years ago

    I show you a simple example.

     

    Step 0: I use this data below.

     

    Step 1: I get the data with Power BI Desktop and make a measure below.

        Weight Avg = AVERAGE('Weight'[Weight kg])

     

    Step 2: I make a matrix.

    In this matrix, "53.33" is not a 'Simple average' of "75 and 42.5".  (53.33 = (70+80+40+50+45+35)/6)

    In this matrix, 'Total' doesn't mean 'Sum of 75 and 42.5' but 'Average of weight of 6 persons'.