Number of
online learners
0 – 4
5 – 9
10- 14
15 – 19
20 – 24
25 – 29
30 - 34
f(frequency)
3
12
9
10
7
5
4

3. In the class limit 15 – 19, what is the class mark?
A. 15 C. 17
B. 16 D. 19
4. In the class limit 25 -29, what is the product of the frequency
and the class mark?
A. 128 C. 154
B. 135 D. 170
5. What is the mean of the number of online learners?
A. 5.7 C. 15.7
B. 12.7 D. 17. 7