Study the given bar-graph and answer the question that follows.
The bar-graph represents the number of boys and girls in different sections of class 12.
The average number of girls in each section is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 40.
We know that,
Average = Sum of observations/Number of observations
Now,
Total number of girls = 34 + 41 + 40 + 39 + 45 + 41 = 240
So,
The average number of girls = 240/6 = 40