A Researcher in Interested in Whether Students Who Are Musicians

question 43

Multiple Choice

A researcher in 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.The researcher selects a sample of 75 musicians from local high schools and gives them an intelligence test.She compares their average intelligence to that of students in the general population and finds that z_obt = +1.92.This is a _____ test and the researcher should conclude _____.

• A)one-tailed; that students who are musicians score significantly higher on intelligence tests
• B)two-tailed; that students who are musicians score significantly higher on intelligence tests
• C)one-tailed; that students who are musicians do not score significantly higher on intelligence tests
• D)two-tailed; that students who are musicians do not score significantly higher on intelligence tests

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Definitions:

Profit Maximized

The point at which a company achieves its highest level of profit through the optimal balance of cost and revenue.

Charging Price

The act of setting a specific price for a product or service offered to consumers.

Profit Maximizing

The process or strategy aimed at achieving the highest possible profit within a given business context.

Monopolist

An individual or entity that has exclusive control over the production and sale of a particular product or service, preventing other entities from entering the market.