1,686.
A.
4.0m
B.
5.8m
C.
7.1m
D.
8.1m
E.
18.5m
Correct answer is A
No explanation has been provided for this answer.
1,687.
If cos 60° = 1/2, which of the following angle has cosine of -1/2?
A.
30o
B.
120o
C.
150o
D.
210o
E.
300o
Correct answer is B
cos 60° = 1/2, cos(180° - 60°) = -1/2
cos120° = -1/2
1,688.
A.
o
B.
2.5
C.
3
D.
5
E.
7
Correct answer is C
There are 20 students. Hence, the median is found by the average of the 10th and 11th score.
= \(\frac{3 + 3}{2}\)
= 3
1,689.
A.
1.75
B.
2
C.
2.5
D.
2.75
E.
3
Correct answer is D
| Score | 0 | 1 | 2 | 3 | 4 | 5 | Total |
| Freq | 2 | 3 | 4 | 2 | 7 | 2 | 20 |
| \(fx\) | 0 | 3 | 8 | 6 | 28 | 10 | 55 |
\(\bar{x} = \frac{\sum fx}{\sum f}\)
= \(\frac{55}{20}\)
= \(2.75\)
1,690.
A.
2
B.
3
C.
4
D.
5
E.
7
Correct answer is C
The mode=4. It has the highest frequency of 7
WAEC Subjects
Aptitude Tests