We have the following list of values:
17, 9, 35, 26, 38, 33, 9,9
rearrange them: 9,9,9,17,26,33,35,38
the population size is 8, so we can calculate the mean as it follows
![\operatorname{mean}=(9+9+9+17+26+33+35+38)/(8)=22]()
mean = 22
using the list of values, we can find that the median is
![\operatorname{median}=(17+26)/(2)=21.5]()
median = 21.5
and, mode = 9
because the value 9 is 3 times on the list