Most pools begin with the liner, and they can be made from vinyl 2 or fiberglass 3. The vinyl 2 is the least expensive with a standard cost of $25,700. The fiberglass 3 bump up the costs to $31,400 on average. There are also concrete and gunite 4 pools that require around $29,600 to $50,000 to install.
The average birth weight for babies is around 7.5 lb (3.5 kg) , although between 5.5 lb (2.5 kg) and 10 lb (4.5 kg) is considered normal. In general: 1  Boys are usually a little heavier than girls.
The royal baby, weighing in at 8lb 6oz, is larger than the average, although the average birth weight of UK babies is increasing - 7lb 8oz for boys (up 2oz since Middle of the Road were driving us mad with their cheeping in 1971) and 7lb 4oz for girls (up 1Â½oz).