WAEC Mathematics 2024 Objective — Question 40
Question 40 of 50 from the West African Examinations Council (WAEC) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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40. Calculate the variance of the distribution of masses: 59, 44, 53, 57, 49, 40, 48 and 50.
- A. 35Correct
- B. 36
- C. 40
- D. 50
Explanation
Variance S² = Σf(x-x̄)²/Σf = 280/8 = 35.
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