A Study Is Going to Be Conducted in Which a Population

question 90

Multiple Choice

A study is going to be conducted in which a population mean will be estimated using a 92% confidence interval.The estimate needs to be within 12 of the actual population mean.The population variance is estimated to be around 2500.The necessary sample size should be at least _______.

• A)15
• B)47
• C)54
• D)638
• E)700

---

Definitions:

Kohlberg's Theory

A psychological model that explains the stages of moral development in individuals.

Moral Development

The process through which individuals evolve in their understanding of right and wrong, influencing their behavior, attitudes, and values.

Law and Order

The system of rules that a society establishes to maintain peace, security, and justice among its members.

Piaget's Stages

A theory developed by Jean Piaget detailing four stages of cognitive development in children: Sensorimotor, Preoperational, Concrete Operational, and Formal Operational stages.