Further Maths > 2021 > 39
WASSCE
The tables 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 |
what is the upper class boundary of the upper quartile class?
A.
49.5
B.
39.5
C.
29.5
D.
19.5
Answer: C
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