If We Are Interested in Determining Whether Two Variables Are

question 29

Multiple Choice

If we are interested in determining whether two variables are linearly related, it is necessary to:

• A)perform the t -test of the slope b ₁.
• B)perform the t -test of the coefficient of correlation r .
• C)either a or b since they are identical.
• D)None of these choices.

---

Definitions:

Fads and Fashions

Trends that are temporarily popular, often in the realms of clothing, diet, or lifestyle, but which can change rapidly.

Malthus

Thomas Robert Malthus, an 18th-century British economist and demographer best known for his theory that population growth will always tend to outstrip the food supply.

Famine

A severe shortage of food resulting in widespread hunger and starvation, often caused by natural disasters, war, or agricultural failure.

Cyclical Theories

Theories that suggest phenomena or events occur in repetitive cycles or patterns, often applied in economics, history, and sociology.