I have a dataset of male and female bats. Male bats comprise 3 evening and 3 morning trips. Female bats 5 evening and 3 morning trips. Trips consist of parameters like trip duration, covered distance, farthest point from roost, speed, home range and flying height. I actually wanted to perform a Wilcoxon test separately for male and female bats to see if differences between evening and morning trips arose by chance or not. Now I was surprised to hear, that Wilcoxon only works with a minimum of n=6. That means I can not do the test with none of my bats. Is that really correct? If not, pleas I would be so grateful if you could refer to a reference, since i am writing my bachelors thesis about that issue.
Also when comparing evening trips between male and female bats using the Mann Withney U test, the sample size requieres to be of a ratio minimum of 4:2. So I can not perform that test for male bats neither?
There is individual bat making a trip in the evening and in the morning. This is called paired. Please correct me if I am wrong. I want to test e.g. the speed of the evening trip with the speed of the same bat during morning trips. I have three individuals.