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WAEC Mathematics 1996 Question 44

Question 44

Measures of Central Tendency

The number of goals scored by a football team in 20 matches is shown in the table below.
No. of goals: 0, 1, 2, 3, 4, 5
No. of matches: 3, 5, 7, 4, 1, 0
What is the mean goal scored?

  1. A.0.75
  2. B.1.75
  3. C.1.9
  4. D.2
  5. E.2.15
Show the answer and explanation

Answer: B (1.75)

Explanation

Total goals = 0×3 + 1×5 + 2×7 + 3×4 + 4×1 + 5×0 = 35. Mean = 35 ÷ 20 = 1.75.