Population variance is a type of the measure of spread that is often come into consideration in statistics whenever the population data is used. It is referred to the estimation how far the values of a population spread or disperse around the mean position.
Definition of scowl. intransitive verb. 1 : to contract the brow in an expression of displeasure. 2 : to exhibit a threatening aspect. transitive verb.
Satirical is an adjective that describes satire, a work that is intended to ridicule the shortcomings and antics of a person or group. So, something that is satirical often looks like the real thing in order to make fun of it.