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JAMB Mathematics 2007 Question 1

Question 1

Measures of Central Tendency

If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively, find the product of the modal and the median number.

  1. A.36
  2. B.48
  3. C.30
  4. D.40
Show the answer and explanation

Answer: A (36)

Explanation

The mode is 6 (frequency 4). In order the 10 numbers are 2, 5, 5, 5, 6, 6, 6, 6, 8, 8, so the median is 6. Product = 36.