Question

for some independent data using the mann whitney test

group a has rank sum of 97.5 with group size = 9
group b has a rank sum of 92.5 with a group size of 10
from the data table i have the two critical values for p=0.05 are 65 and 115

i know im supposed to compare them and decide whether there is a significant difference between them but im not sure which way round they go could you explain it please

thank you