A Researcher Is Estimating the Average Difference Between Two Population

question 59

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.A 95% confidence interval would be _______.

• A)-3.02 to -0.18
• B)-1.6 to -1.09
• C)-2.11 to 1.09
• D)-2.11 to -1.09
• E)-3.23 to 2.23

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Definitions:

Attention-Deficit/Hyperactivity Disorder

A neurodevelopmental disorder characterized by patterns of inattention, hyperactivity, and impulsivity that are more frequent and severe than typically observed in individuals at a comparable level of development.

Academic Performance

Refers to how students deal with their studies and how they cope with or accomplish different tasks given to them by their teachers.

Social Performance

The act of presenting oneself in a particular way to others in social contexts, often to fulfill the expectations or norms of the group.

Antisocial Personality Disorder

A mental disorder characterized by a long-term pattern of disregard for, or violation of, the rights of others.