The range and median birth weight are the same for both genders.
Explanation:
The average birth weight for babies is around 7.5 lb (3.5 kg). However, a birth weight between 5.5 lb (2.5 kg) and 10 lb (4.5 kg) is considered normal. The general observations with regard to birth weight are as follows:
Boys are usually a little heavier than girls.
First babies are usually lighter than later siblings.
Large parents generally have large babies, while small parents generally have small babies.
Conditions like diabetes in the mother may lead to increased birth weight.
Zika virus causes the birth weight to be lower and the size of the head is small.
The range and median birth weight are the same for both genders.