If a Decision Maker Wishes to Reduce the Margin of Error

question 34

Multiple Choice

If a decision maker wishes to reduce the margin of error associated with a confidence interval estimate for a population mean, she can:

• A) decrease the sample size.
• B) increase the confidence level.
• C) increase the sample size.
• D) use the t-distribution.

---

Definitions:

Evolutionary Psychology

A branch of psychology that seeks to explain humans' mental and psychological traits as a result of evolutionary adaptations.

Common Biology

The study of biological principles and phenomena that are universally applicable to living organisms.

Evolutionary History

The branching process by which different species evolve from their common ancestors over geological time scales.

Nature

The physical world and everything in it that is not made by humans, including plants, animals, and ecosystems.