(Choose 1 answer)
(See picture)
A. 50
B. 0
C. None of the other choices is correct.
D. 68
Ε. 400
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.
Exam Score Student Before Course (1)
1
2
3
4
5
6
7
8
530
690
770
910
1,000
700
710
450
550
820
870
820
770
610
630
Exam Score After Course (2)
670
vant
the exam.
Exi Q: 41
