Question

The red line indicates the girl's height distribution. The blue line indicates the boy's height distribution.

i) Maximum no. of girls belong to which height group ?

ii) The difference in the no. of boys to the no. of girls in all the classes is_______.

• A. 140-150, 1
• B. 150-160, 2
• C. 160-170, 0
• D. 170-180, Not enough data

Answer 1

The correct option is C

160-170, 0

i) According to the graph, there are 7 girls in the height group 160-170 which is the highest.

ii) Total no. of boys=4+3+2+4+3=16

Total no. of girls= 1+7+6+2=16

Difference in no. of boys to no. of girls = 16-16=0