STATISTICS - Jamb Mathematics Past Questions and Answers

Question 291:

• JAMB 2009

The histogram above represents the number of candidates that sat for Mathematics examination in a school. How many candidate scored more than 50 marks?

A. 80
B. 95
C. 100
D. 115

Question 292:

• JAMB 2009

The cumulative frequency curve above shoes the distribution of the scores of 50 students in an examination. Find the 36th percentile scores

A. 18%
B. 28%
C. 36%
D. 50%

Question 293:

• JAMB 2010

Marks	2	3	4	5	6	7	8
No. of students	3	1	5	2	4	2	3

from the table above, if the pass mark is 5, how many students failed the test?

A. 6
B. 2
C. 7
D. 9

Question 294:

• JAMB 2010

Marks	1	2	3	4	5
Frequency	2	2	8	4	4

The table above show the marks obtained in a given test.
How many student took the test?

A. 16
B. 13
C. 20
D. 15

Question 295:

• JAMB 2010

Marks	1	2	3	4	5
Frequency	2	2	8	4	4

The table above show the marks obtained in a given test.
Find the mean mark

A. 3.1
B. 3.0
C. 3.2
D. 3.3