2018
Mathematics
JAMB
The table shown gives the marks scored by a group of student in a test. Use the table to answer the question given. Mark 0 1 2 3 4 5 Frequency 1 2 7 5 4 3 What is the median mark?
A.
1
B.
2
C.
3
D.
4
Correct Answer: 3
Explanation
Total frequency = 1 + 2 + 7 + 5 + 4 + 3 = 22 Median is the middle number = Nth/2 term = 22th/2 = 11th term Going in ascending order, 11th term is 3, going in descending order 11th term is 3 Median = 3 + 3/2 = 6/2 = 3
Total frequency = 1 + 2 + 7 + 5 + 4 + 3 = 22 Median is the middle number = Nth/2 term = 22th/2 = 11th term Going in ascending order, 11th term is 3, going in descending order 11th term is 3 Median = 3 + 3/2 = 6/2 = 3THIS WEEK's
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