Choose whether each of the following is an example of discrete or continuous data.Justify your choice.a) The amount of water in a swimming pool in litresb) The number of countries in the world

Discrete data are typically countable data while continuous data are measurable data.
(a) The amount of water in a swimming pool in litres is measurable, this makes it continuous data.
(b) The number of countries in the world is countable, this makes it discrete data