Directions (1 - 4): Study the histogram of marks (in Mathematics) distribution of 50 students of class IX and answer the following questions.
The average marks of the students?
A. 63.2
B. 45.5
C. 60.2
D. 55.5
Answer: Option A
Solution (By Examveda Team)
Average marks= $$\frac{20\times7+40\times8+60\times18+80\times4+100\times13}{50}$$
= $$\frac{3160}{50}$$
= 63.2
This Question Belongs to Data Interpretation >> Bar Chart
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