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.
Define shield: a broad piece of defensive armor carried on the arm; one that protects or defends : defense; dress shield â shield in a sentence a broad piece of defensive armor carried on the arm; one that protects or defends : defense; dress shieldâ¦