A College Instructor Is Interested in Whether Assigning Mandatory Homework

question 10

Multiple Choice

A college instructor is interested in whether assigning mandatory homework affects students' grades.Since she is currently teaching two sections of the same class, the instructor assigns homework to one of the classes and just recommends homework problems to the second class.Then she determines the number of people in each class that will receive an A, B, C, D, or F on the final exam.What type of statistical test should the instructor use to analyze her data?

• A) chi-square test for goodness-of-fit
• B) chi-square test for independence
• C) analysis of variance
• D) independent-samples t test

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Definitions:

Opportunity to Perform

A situation or condition that gives an individual or group the chance to carry out a task or activity, often leading to skill development or achievement recognition.

Willingness to Perform

Refers to an individual's readiness or eagerness to undertake a task or fulfill a role based on motivation or commitment.

Marginal Revenue

The incremental income earned from the sale of one additional unit of a good or service.

Demand Schedule

A demand schedule is a table that shows the quantity of a good or service that consumers are willing and able to purchase at various price points.