Question

If the mode of the following data is 7. Find the value of x
3,5,6,7,5,4,7,5,6,x+1,8,7

Answer 1

mode = sum of observation/ number of observation
mode=3+5+6+7+5+4+7+5+6+x+1+8+7/12
7=64+x/12
84=64+x
x=20