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


Question

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?

Options

A) 125

B) 130

C) 140

D) 150

E) 137.5

The correct answer is 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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Dicussion (1)

  • \(\begin{array}{c|c} Scores & Frequency \\\hline 55 & 1\\ 60 & 4\\ 65 & 6\\ 70 & 4\\ 75 & 1 \end{array}\)
    Median = 65(middle number)
    Mode = 65(most common)
    Median + Mode = 65 + 65 = 130

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