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

question 42

Multiple Choice

In 2005,the average final exam score for students in an introductory math course was 72%.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 72%.The hypotheses are:
: μ = 72%
: μ ≠ 72%
Explain the result of a Type I 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 conclude that the average final exam score in the course is the same when in fact it is the same.
• 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 different.

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Definitions:

Development

A process of growth and change that occurs in human beings and animals as they progress through various stages of life, encompassing physical, cognitive, psychological, and social aspects.

Cultural Context

The environment and situational factors that influence the meanings of actions, symbols, and expressions in a given culture.

Liquid

A state of matter characterized by the ability to flow and take the shape of the container it occupies, lacking a fixed shape but having a defined volume.

Pourable

Having a consistency or thickness that allows a substance to flow or be poured easily.