What was the context of that statement? If the data were lognormally
distributed, taking logs before doing these tests would be mandatory.

Jerry

miaoj5 wrote:

I have data in log2 format. I just came across some article which says
that logged data should be avoided for statistical tests like T-tests,
F-tests or Mann-Whitney tests.

I am doing these tests in excel so wondering if anybody who performs
such tests regularly in excel can flash some light??