the name jud means a mean unnice persone

It could, depending, be defined as: Cruel, unnice, or being either of these i.e. insulting someone or an average, which is found by addidng the numbers and then dividing by the number of numbers, i.e. the mean of 11,3,5, and 5 would be found by adding 11+3+5+5=24, then divide by 4 to get a mean of 6.