Marks 5-7 8-10 11-13 14-16 17-19 20-22 No of students 4 7 26 41 14
FURTHER MATHEMATICS
WAEC 2011
| Marks | 5-7 | 8-10 | 11-13 | 14-16 | 17-19 | 20-22 |
| No of students | 4 | 7 | 26 | 41 | 14 | 8 |
The table above shows the distribution of marks of students in a class. Find the upper class boundary of the modal class.
- A. 13.5
- B. 16
- C. 16.5
- D. 22.5
Correct Answer: C. 16.5
Explanation
The modal class = 14 - 16
The upper class boundary = \(\frac{16 + 17}{2} = \frac{33}{2} = 16.5\)
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *