I need to calculate the average for some groups of figures and some of the columns contain figures lower than or greater than
For instance, one set reads: ≤ 60, ≤ 60, ≤ 60, ≤ 60, 67, ≤ 60, 176, 99, ≤ 60, 74, ≤ 60, 154, ≤ 60, ≤ 60, 114. Is there a formula that I can use ?
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