JAMB and WAEC Mathematics questions

861 questions with answers and explanations. Tap an option to check yourself.

All JAMB WAEC

Question 741· Statistics· JAMB
In a histogram, the frequency of each class is proportional to the
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Answer: C. area of its bar
Explanation and discussion
Question 742· Statistics· WAEC
Find the mode of 4, 6, 6, 7, 7, 7, 8.
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Answer: C. 7
Explanation and discussion
Question 743· Statistics· WAEC
The mean of five numbers is 12. Four of the numbers are 10, 14, 9 and 15. Find the fifth number.
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Answer: A. 12
Explanation and discussion
Question 744· Statistics· JAMB
Find the median of this distribution: score 1, 2, 3, 4 with frequencies 3, 5, 4, 2.
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Answer: B. 2
Explanation and discussion
Question 745· Statistics· JAMB
The scores of five students are 6, 8, 8, 10 and 13. Find the mode and the range.
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Answer: B. Mode 8, range 7
Explanation and discussion
Question 746· Statistics· JAMB
Which measure of central tendency is most affected by extreme values?
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Answer: B. the mean
Explanation and discussion
Question 747· Statistics· WAEC
In a pie chart, a sector representing 15 out of 60 students has an angle of
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Answer: B. 90°
Explanation and discussion
Question 748· Statistics· WAEC
Calculate the mean of 6, 11, 4, 9 and 15.
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Answer: B. 9
Explanation and discussion
Question 749· Statistics· WAEC
Find the mean of 4, 7, 9, 10, 15.
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Answer: D. 9
Explanation and discussion
Question 750· Statistics· JAMB
Find the mode of 2, 3, 3, 4, 4, 4, 5, 5.
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Answer: D. 4
Explanation and discussion
Question 751· Statistics· JAMB
Find the median of 7, 3, 9, 4, 8, 6.
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Answer: D. 6.5
Explanation and discussion
Question 752· Statistics· JAMB
Find the mean of 5, 8, 11 and 14.
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Answer: A. 9.5
Explanation and discussion
Question 753· Statistics· WAEC
The mode of 2, 3, 3, 5, 7, 7, 7, 9 is
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Answer: A. 7
Explanation and discussion
Question 754· Statistics· JAMB
39 students are arranged in order of height. The median height is the height of the
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Answer: C. 20th student
Explanation and discussion
Question 755· Statistics· WAEC
Find the median of 3, 8, 5, 10, 6.
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Answer: B. 6
Explanation and discussion
Question 756· Statistics· JAMB
Find the mean of 4, 7, 9, 10 and 15.
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Answer: A. 9
Explanation and discussion
Question 757· Statistics· JAMB
Find the median of 12, 5, 9, 15, 7, 11.
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Answer: B. 10
Explanation and discussion
Question 758· Statistics· WAEC
The mean of five numbers is 12. If four of them are 10, 14, 8 and 15, the fifth is
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Answer: C. 13
Explanation and discussion
Question 759· Statistics· WAEC
In a pie chart showing 60 students, the sector for 15 students has an angle of
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Answer: B. 90°
Explanation and discussion
Question 760· Statistics· JAMB
A student scores 60, 70 and 80 in three tests weighted 1, 2 and 2. Find the weighted mean score.
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Answer: B. 72
Explanation and discussion

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JAMB and WAEC Mathematics questions

In a histogram, the frequency of each class is proportional to the

Find the mode of 4, 6, 6, 7, 7, 7, 8.

The mean of five numbers is 12. Four of the numbers are 10, 14, 9 and 15. Find the fifth number.

Find the median of this distribution: score 1, 2, 3, 4 with frequencies 3, 5, 4, 2.

The scores of five students are 6, 8, 8, 10 and 13. Find the mode and the range.

Which measure of central tendency is most affected by extreme values?

In a pie chart, a sector representing 15 out of 60 students has an angle of

Calculate the mean of 6, 11, 4, 9 and 15.

Find the mean of 4, 7, 9, 10, 15.

Find the mode of 2, 3, 3, 4, 4, 4, 5, 5.

Find the median of 7, 3, 9, 4, 8, 6.

Find the mean of 5, 8, 11 and 14.

The mode of 2, 3, 3, 5, 7, 7, 7, 9 is

39 students are arranged in order of height. The median height is the height of the

Find the median of 3, 8, 5, 10, 6.

Find the mean of 4, 7, 9, 10 and 15.

Find the median of 12, 5, 9, 15, 7, 11.

The mean of five numbers is 12. If four of them are 10, 14, 8 and 15, the fifth is

In a pie chart showing 60 students, the sector for 15 students has an angle of

A student scores 60, 70 and 80 in three tests weighted 1, 2 and 2. Find the weighted mean score.