Fifty boxes each of 50 bolts were inspected for the number which were defective. The
MATHEMATICS
JAMB 1991
Fifty boxes each of 50 bolts were inspected for the number which were defective. The following was the result
\(\begin{array}{c|c} \text{No. defective per box} & 4 & 5 & 6 & 7 & 8 & 9 \\ \hline \text{No. of boxes} & 2 & 7 & 17 & 10 & 8 & 6\end{array}\)
The mean and the median of the distribution are respectively
- A. 6.7, 6
- B. 7.6, 5
- C. 5.7, 87
- D. 34, 6
Correct Answer: A. 6.7, 6
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