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JAMB Mathematics 2013 Question 46

Question 46

Measures of Dispersion

Score: 3, 4, 5, 6, 7, 8, 9, 10
Frequency: 1, 0, 7, 5, 2, 3, 1, 1
The table above shows the scores of 20 students in Further Mathematics test. What is the range of the distribution?

  1. A.3
  2. B.10
  3. C.7
  4. D.6
Show the answer and explanation

Answer: C (7)

Explanation

Range = highest score − lowest score = 10 − 3 = 7.