In 2005,the Average Final Exam Score for Students in an Introductory

question 49

Multiple Choice

In 2005,the average final exam score for students in an introductory math course was 75%.Five years later,a teacher wants to perform a hypothesis test to determine whether the average score of students the course has changed from the 2005 mean of 75%.The hypotheses are:
: μ = 75%
: μ ≠ 75%
Explain the result of a Type II error.

• A)The teacher will conclude that the average final exam score in the course has decreased when in fact it is the same.
• B)The teacher will conclude that the average final exam score in the course has increased when in fact it is the same.
• C)The teacher will not conclude that the average final exam score in the course is different when in fact it is different.
• D)The teacher will conclude that the average final exam score in the course is different when in fact it is the same.
• E)The teacher will conclude that the average final exam score in the course is the same when in fact it is the same.

---

Definitions:

Profit Center

A segment of a business responsible for both its revenue and expenses, allowing for assessment of its profitability.

Generates Revenue

The process of creating income for a company through activities such as sales of goods, provision of services, or other business operations.

Investing Decisions

Choices made by individuals or companies regarding where to allocate resources, often considering the potential for profits or losses, to achieve financial growth.

Investment Center

A business unit within an organization that is responsible for its own revenue, expenses, and investments, and is evaluated based on its return on investment.