Hi, I'm trying to sum (numeric) content of matrix if 1st colum is into a certain range.
I was able to do it with letters (e.g. sum if 1st column is A or B) but not with numbers (e.g. sum if 1st column is between 10 and 17)
I'm attaching the very simple file I'm working on..can you please help? table is on the right (then I also have a question for that on the left but I'll save it for later).
Thanks!
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