Question

If the mode of the data 3,9,6,9,4,3,x-4 is 9,then find x

Answer 1

as mode is the most occurred observation,the mode of above data will be 9 therefore equate x-4 with 9
x-4=9
x=9+4=13
x=13

Answer 2

3 ,9,6,9, x-4
for mode to be 9 , 9 should be present maximum time
so , x-4 =9
          x =13