Directions (1 - 2): The graph given below shows the daily income of 50 workers in a factory. Study the graph and answer the questions.
1. The median wages in the factory is: A. Rs. 140 B. Rs. 138 C. Rs. 150 D. Rs. 160 Answer & Solution Discuss in Board Answer & Solution Answer: Option D Solution: $$\eqalign{ & \text{Median} \cr & = \frac{\text{L.V + H.V}}{2} \cr & = \frac{120 + 200}{2} \cr & = \text{Rs. }160 \cr}$$
2. What percentage of the factory workers earn between Rs. 150 and Rs. 180? A. 6% B. 16% C. 12% D. 20% Answer & Solution Discuss in Board Answer & Solution Answer: Option B Solution: Wages numbers of workers 120 12 140 26 - 12 = 14 160 34 - 26 = 8 180 40 - 34 = 6 200 50 - 40 = 10 ∴Required percentage = $$\frac{8}{50}$$ × 100 = 16%
