If I need to compare financial performance between two groups do you believe that T Test is relevant or there is an other appropiate statistical tools.
T test is relevant in your case with the dichotomous variable say gender or any other categorical variable with two categories, if there are more than two categories go for One Way Anova test.
It is, but its chase compares the mean and assumes normality. If the variable does not follow a gaussian PDF you should use a non-parametric test as the Mann-Whitney test.
Be sure it is always better to use parametric test over the use of non parametric. Check your situation, if they are ok with t-test go for t-test, otherwise you can choose a non parametric test.
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https://www.ncbi.nlm.nih.gov/pmc/articles/pmc7275319/
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