In 2009,the Average Final Exam Score for Students in an Introductory

Multiple Choice

In 2009,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 2009 mean of 72%.The hypotheses are: H0: μ = 72%
HA: 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.