Johnson et al. (A-16) performed a retrospective review of 50 fetuses that underwent open fetal myelomeningocele closure. The data below show the gestational age in weeks of the 50 fetuses undergoing the procedure. 25 25 26 27 29 29 29 30 30 31
32 32 32 33 33 33 33 34 34 34
35 35 35 35 35 35 35 35 35 36
36 36 36 36 36 36 36 36 36 36
36 36 36 36 36 36 36 36 37 37
Construct a steam-and-leaf & grouped frequency distribution.
Calculate the mean number of hours the patients slept.
Compute the mean, median and mode, and interpret the fining