WAEC Economics 2014 Objective — Question 26
Question 26 of 50 from the West African Examinations Council (WAEC) Economics 2014 Objective paper, with the correct answer and a full explanation.
Advertisement
The table (X: 2,3,4,5; F: 2,5,2,1) shows a frequency distribution. From the table, the mean of the distribution is
- A. 2.2
- B. 2.5
- C. 3.2Correct
- D. 4.5
Explanation
Mean = Σfx/Σf = (2×2+3×5+4×2+5×1)/(2+5+2+1) = (4+15+8+5)/10 = 32/10 = 3.2.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.