The scores of 16 students in a Mathematics test are 65, 65, 55, 60, 60,...

JAMB 1983

The scores of 16 students in a Mathematics test are 65, 65, 55, 60, 60, 65, 60, 70, 75, 70, 65, 70, 60, 65, 65, 70. What is the sum of the median and modal scores?

A. 125
B. 130
C. 140
D. 150
E. 137.5

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Correct Answer: Option B

Explanation

\(\begin{array}{c|c} Scores & Frequency \\\hline 55 & 1\\ 60 & 4\\ 65 & 6\\ 70 & 4\\ 75 & 1 \end{array}\)
Median = 65(middle number)

Mode = 65(most common)

Median + Mode = 65 + 65 = 130

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