The answer is 16
Refer image for working :-
Drop comments if any doubt arises.
 
        
        
        
Answer:
1. 15.4
2. 9.66
3. 13.16
4. 12.32
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
5.3
Step-by-step explanation:
first u have to get ur numbers then divide 53 by 10
 
        
             
        
        
        
The median is 12.
There are 23 dots.
11 on 1 side. 12.  11 on the other
11+11+1=23.