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

TABLE 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.
$$\begin{array}{l}\quad \quad \quad \quad \quad \quad \quad \quad \text { Exam Score } \quad \text { Exam Score }\\\begin{array} { c c c } \text { Student } & \text { Before Course (1) } & \text { After Course (2) } \\\hline 1 & 530 & 670 \\2 & 690 & 770 \\3 & 910 & 1,000 \\4 & 700 & 710 \\5 & 450 & 550 \\6 & 820 & 870 \\7 & 820 & 770 \\8 & 630 & 610 \\\hline\end{array}\end{array}$$
-Referring to Table 10-5, at the 0.05 level of significance, the decision for this hypothesis test would be

A) reject the null hypothesis.
B) reject the alternative hypothesis.
C) do not reject the null hypothesis.
D) It cannot be determined from the information given.