A Researcher Is Estimating the Average Difference Between Two Population

question 18

Multiple Choice

A researcher is estimating the average difference between two population means based on matched-pairs samples.She gathers data on each pair in the study resulting in: Assume that the data are normally distributed in the population.To obtain a 95% confidence interval, the table t value would be ___.

• A)2.132
• B)1.86
• C)2.306
• D)2.976
• E)2.776

---

Definitions:

Corporate Ethics Codes

A set of principles and guidelines that a company adopts to govern its employees' behavior, supporting ethical business practices.

Ethical Responsibility

The duty to act in a morally correct manner, taking into account the impacts of one's decisions and actions on others and society.

Individual To Group

The psychological and social process where individual behavior shifts when they are part of a group, influencing and conforming to group dynamics.

Stakeholders

Individuals, groups, or organizations that have an interest or stake in the performance and actions of a company or project, affecting or being affected by its activities.