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JAMB Mathematics 2003 Question 42

Question 42

Measures of Central Tendency

Value: 0, 1, 2, 3, 4
Frequency: 1, 2, 2, 1, 9
Find the mean of the distribution above.

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

Answer: C (3)

Explanation

Σfx = 0 + 2 + 4 + 3 + 36 = 45 and Σf = 15, so the mean = 45/15 = 3.