A group of students took a test and the following frequency table shows the scores above
The mean score is
Attached Figure / Diagram
A
1.75
B
2
C
2.5
D
2.75
E
3
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
Score
0
1
2
3
4
5
Total
Freq
2
3
4
2
7
2
20
\(fx\)
0
3
8
6
28
10
55
\(\bar{x} = \frac{\sum fx}{\sum f}\)
= \(\frac{55}{20}\)
= \(2.75\)
Source: Myschool Past Questions Archive (Record #22020)