PDF chapter test TRY NOW

Observe the following bar graph and answer the following based on the data provided:
 
EX_4.1_color.png
 
1. Which activity is least preferred? 
 
2. The number of students who preferred football as a Sunday activity is .
 
3. The total number of students who preferred football and cricket is
 
4.  What is the difference in the number of students who preferred volleyball and football?