A Researcher Is Interested in Whether Students Who Are Musicians

question 47

Multiple Choice

A researcher is interested in whether students who are musicians have higher intelligence test scores than students in the general population. The researcher predicts that playing a musical instrument is associated with higher intelligence test scores. This is a _____-tailed test and the z_cv is _____.

• A)two; ±1.96
• B)one; ±1.65
• C)two; ±1.65
• D)one; ±1.96

---

Definitions:

Shady Side

A term referring to the darker, cooler, or less exposed area or aspect of something, often used literally or metaphorically to describe a situation or place.

Randomized Block Design

An experimental design that groups subjects into blocks based on certain similarities before randomly assigning treatments, reducing confounding variables.

Age

A measure of the time an individual or object has existed from its creation or birth to a specific point.

Exercise

Physical activities intended to improve strength, fitness, and health.