Question : The given bar graph represents the number of boys and girls in five different schools. Study the graph and answer the question that follows.
What is the average number of boys in schools A, B, C, D and E?
Option 1: 660
Option 2: 616
Option 3: 596
Option 4: 569
Correct Answer: 660
Solution :
As per the graph,
The total number of boys in schools A, B, C, D and E = 600 + 450 + 750 + 700 + 800 = 3300
The number of schools = 5
Average = $\frac{\text{Sum of all the observations}}{{\text{Total number of observations}}}$
The average number of boys in schools = $\frac{3300}{5}$ = 660
Hence, the correct answer is 660.
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