The variance of a discrete random variable is always greater than or equal to zero

Clarify an unfamiliar abbreviation for both singular and plural __________________

a. pronouns b. names c. units of measurement d. subjects

________ is the extent to which an individual believes that power and status differences are appropriate within hierarchical social systems like business organizations

A) Locus of control B) Self-efficacy C) Authoritarianism D) Conscientiousness