Question a b c d e

Johnson et al. (A-16) performed a retrospective review of 50 fetuses that underwent open fetal myelomeningocele closure. The data below show gestational age in weeks of the 30 fetuses undergoing the procedure. 25 25 26 27 29 29 29 30 30 31 32 32 33 33 33 33 34 34 34 34 35 35 35 35 36 36 36 36 37 37 Find: a. Mean b. Median c. Mode d. Interquartile range e. variance