A Researcher Is Comparing Three Groups of the Same Size

question 52

Multiple Choice

A researcher is comparing three groups of the same size. The sample mean of the first group is 11, the sample mean of the second group is 13, and the sample mean of the third group is 15. If the Tukey q-test
Value for comparing group 1 with group 2 is -2.1, then the Tukey q-test value for comparing group 1 with
Group 3 will be:

• A) -2.1
• B) -4.2
• C) -8.4
• D) Cannot be determined with the information given

---

Definitions:

American Economy

The economic system of the United States, characterized by a mixed economy that supports free market activities.

Closed System

A physical or economic system that does not interact with or exchange matter with its surroundings.

Say's Law

An economic theory that suggests that supply creates its own demand, meaning that production inherently generates a demand for the goods produced.

Open Economy

An economy linked to the rest of the world through international trade.