Question 986134
given nos are 7,9,10,10,10,12,12
  sum  = 7+9+10+10+10+12+12
           =70
 no of numbers  =7
mean = sum / no of numbers
    = 70/7
   =10
Mean =10
middle no of the above series  = 10
so median  = 10
mode  = the no which repeated most no of times
       = 10
mid range  = mean of max and min values
     = {{{(7+12)/2}}}
    ={{{ 19/2}}}
    = 9.5
Mid range  = 9.5