The following data points came from a 2003 ophthalmology study of children with Smith-Lemli-Opitz syndrome (SLOS), a genetic disorder that affects cholesterol biosynthesis (Elias et al. Arch Ophthalmol. 121(12):1738-1743). The eight girls in the study have the following cholesterol levels (measured in mg/dL):

79

110

59

124

181

169

118

157

What is the median cholesterol level of the sample group? ____