I am trying to calculate average On Time Delivery %, however i only want the percent to be included in the average calculation if the number in the "days aged" column is greater than or equal to 0 ("On Time" = 0). I came up with this formula below but I'm getting a divide by 0 error, any help would be greatly appreciated!
=AVERAGEIF(H5:H32,I5:I32>=0)
**Please see attached file**
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