A researcher was interested in knowing if preterm infants

c) If we don’t want to assume the urine levels of this chemical are normally distributed but want to test if the medians of the urine level of this chemical for the two populations are equal, what test shall we use? The urine levels of this chemical in the 2 samples are shown below. Test this hypothesis at α=0.10 level (state H0, HA, and p-value).

Without condition: 11.1, 9.6, 7.4, 8.5, 9.8, 6.5, 8.1, 7.3, 10.2