The table shows the distribution of marks obtained by some students in a test Marks...
FURTHER MATHEMATICS
WAEC 2021
The table shows the distribution of marks obtained by some students in a test
| Marks | 0-9 | 10-19 | 20-29 | 30-39 | 40-49 |
| Frequency | 4 | 12 | 16 | 6 | 2 |
Find the modal class mark.
- A. 4.5
- B. 14.5
- C. 24.5
- D. 34.5
Correct Answer: C. 24.5
Explanation
Modal class 20 - 29
Modal class mark = \(\frac{20+29}{2}\)
= \(\frac{49}{2}\)
= 24.5
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