Hello

I wonder if anybody can help me out on this one.

I need to average a column, without a fixed number of rows, and within an interval (and excluding zeros).

Example: Average of all numbers in the bracket 28-35, in column B2-B??

By this I mean that the total of rows in column B will vary from time to time, so in order to not having to manually change the number of rows each time, I need an "open-ended" formula, that also incorporates say 4 intervals (for instance 1-27, 28-35, 36-70, 71-100).

I would be grateful for any feedback!

Regards,

Christian

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