SCENARIO 10-5
to Test the Effectiveness of a Business School

question 52

Multiple Choice

SCENARIO 10-5
To test the effectiveness of a business school preparation course, 8 students took a general business
test before and after the course. The results are given below. $\begin{array}{lcc}\text { Student } & \begin{array}{c}\text { Exam Score } \\\text { Before Course (1) }\end{array} & \begin{array}{c}\text { Exam Score } \\\text { After Course (2) }\end{array} \\\hline 1 & 530 & 670 \\2 & 690 & 770 \\3 & 910 & 1,000 \\4 & 700 & 710 \\5 & 450 & 550 \\6 & 820 & 870 \\7 & 820 & 770 \\8 & 630 & 610\end{array}$

-Referring to Scenario 10-5, the value of the sample mean difference is _______ if the difference scores reflect the results of the exam after the course minus the results of the exam before the
Course.

• A) 0
• B) 50
• C) 68
• D) 400

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Definitions:

Papal Bull Unam Sanctam

A significant papal decree issued by Pope Boniface VIII in 1302, asserting the supreme spiritual authority of the Pope over kings and secular rulers.

Pope Boniface VIII

A Pope who reigned from 1294 to 1303, known for his conflicts with secular rulers and for issuing the Unam Sanctam, asserting papal supremacy.

Secular Rulers

Leaders or monarchs who hold authority in the political realm without specific endorsement from religious institutions.

Anabaptists

Anabaptists are members of a Protestant movement in the 16th century that advocated for adult baptism, pacifism, and the separation of church and state.