Statistics - Mathematics Jamb Past Questions and Answers

Question 1 :

• JAMB 1979

The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is

A. 1.5
B. 0.8
C. 1.0
D. 1.02
E. 1.05

Question 2 :

• JAMB 2019

Age in years	7	8	9	10	11
No of pupils	4	13	30	44	9

The table above shows the number of pupils in a class with respect to their ages. If a pie chart is constructed to represent the age, the angle corresponding to 8 years old is

A. 48.6°
B. 56.3°
C. 46.8°
D. 13°

Question 3 :

• JAMB 2019

If a fair coin is tossed 3 times, what is the probability of getting at least two heads?

A. \(\frac{2}{3}\)
B. \(\frac{4}{5}\)
C. \(\frac{2}{5}\)
D. \(\frac{1}{2}\)

Question 4 :

• JAMB 2019

In how many ways can the word MATHEMATICIAN be arranged?

A. 6794800 ways
B. 2664910 ways
C. 6227020800 ways
D. 129729600 ways

Question 5 :

• JAMB 2019

Score(x)	0	1	2	3	4	5	6
Freq(f)	5	7	3	7	11	6	7

Find the mean of the data.

A. 3.26
B. 4.91
C. 6.57
D. 3.0