STATISTICS - Jamb Mathematics Past Questions and Answers

Question 326:

• JAMB 2013

The pie chart above shows the statistical distribution of 80 students in five subjects in an examination. Calculate how many student offer Mathematics.

A. 30
B. 11
C. 50
D. 20

Question 327:

• JAMB 2014

The mean of 2 - t, 4 + t, 3 - 2t, 2 + t and t - 1 is

A. T
B. -t
C. 2
D. -2

Question 328:

• JAMB 2014

\(\begin{array}{c|c}
Values & 0 & 1 & 2 & 3 & 4 \\
\hline
Frequency & 1 & 2 & 2 & 1 & 9
\end{array}\)
Find the mode of the distribution above

A. 1
B. 2
C. 3
D. 4

Question 329:

• JAMB 2014

Find the median of 5,9,1,10,3,8,9,2,4,5,5,5,7,3 and 6

A. 6
B. 5
C. 4
D. 3

Question 330:

• JAMB 2014

Find the standard deviation of 5, 4, 3, 2, 1

A. \(\sqrt{2}\)
B. \(\sqrt{3}\)
C. \(\sqrt{6}\)
D. \(\sqrt{10}\)