statatics

A teacher was intrested in how many messages teenagers got per day. He randomly selected 70 students and asked them how many text messages they recieved the previous day. The summary statistics for the nember received per day: Sample mean: (x)=23.1, Sample standard devaition(Sx)=2.55
Min=16, Q1=20.8, Median=22, Q3=26, Max =37.
Calcuate the outlier fences for the given information, Lower and Upper fences? and where are the outliers, to the left of Q1, to the right of Q3, both sides, or none at all?