n = 28
avg =     72.5
std =    11.67
hi  =    91.00
max =   100.00


    0   		
    5   		
   10   		
   15   		
   20   		
   25   		
   30   		
   35   		
   40   		
   45   		
   50   #		1	B
   55   ###		3
   60   ####		4
   65   ####		4
   70   ###		3
   75   ####		4
   80   ####		4
   85   ####		4
   90   #		1	A