A measure of the size of an effect in a population is called EFFECT SIZE.
The principle of effect size is used in statistical study of data obtained in experimental research. In research studies which compare different interventions, effect size refers to the magnitude of the difference between population groups that are been considered.
Some may assume that movement and locomotion are the same, but these two words have certain differences. Movement is known to be the time when a living organism will move from one place to another. Locomotion means that the movement that the living organism did has made changes to the current position of the organism.
Answer:
Mice have four legs, four feet and one tail per unit-mouse.