Mathematics JAMB Past Questions

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641

The sum of four consecutive integers is 34. Find the least of these numbers

A. 7
B. 6
C. 8
D. 5

View Answer & Discuss JAMB 2011

642

\(\begin{array}{c|c} No & 0 & 1 & 2 & 3 & 4 & 5 \\ \hline Frequency & 1 & 4 & 3 & 8 & 2 & 5 \end{array}\). From the table above, find the median and range of the data respectively.

A. (8,5)
B. (3, 5)
C. (5 , 8)
D. (5 , 3)

View Answer & Discuss (2) JAMB 2011

643

\(\begin{array}{c|c}
Class Interval & 3 - 5 & 6 - 8 & 9 - 11 \\ \hline Frequency & 2 & 2 & 2 \end{array}\). Find the standard deviation of the above distribution.