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WAEC Economics 2014 Question 26

Question 26

Tools of Economic Analysis

Use the table below to answer the question.
X | 2 | 3 | 4 | 5
F | 2 | 5 | 2 | 1
From the table, the mean of the distribution is

  1. A.2.2.
  2. B.2.5.
  3. C.3.2.
  4. D.4.5.
Show the answer and explanation

Answer: C (3.2.)

Explanation

Σfx = 4 + 15 + 8 + 5 = 32 and Σf = 10, so mean = 32 ÷ 10 = 3.2.