<em>Answer:</em>
<em>Divide them all</em>
<em>Hope you like it!</em>
 
        
             
        
        
        
Yes u can. It is very easy
        
                    
             
        
        
        
Answer:
order is
αb<αc<αa
Step-by-step explanation:
in a )
number 4 and number  12 are showing 3 bullets while number 7 and 9 showing 2 bullets hence 
standard deviation for a=3-2=1
in b)
number 4 ,7,9 and number  12 are showing 2 bullets while number 3 and 13 showing 1 bullet hence 
standard deviation for a=2-1=1
in c)
number 4 ,7,9 and number  12 are showing 2 bullets while number 5 and 11 showing 1 bullet hence 
standard deviation for a=2-1=1
order isαb<αc<αa