Hello,
This was a big help to me. I have one question, this formual does not work for a dataset with duplicate values. for example
10
20
20
20
30
30
40
50.
According to Excel, the 25th percentile is 20, 50th is 25 and 75th is 32.5. This formula comes up with 25th percentile is 27.5, 50th is...
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